Holley Sniper Efi Mpg

Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. It has a Monza Vega positraction rear end with a T5 GM transmission, dual exhaust. 00, fuel filter and fuel line $170. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. FiTech Throttle Body Go EFI 4 Installed in Project Trans Am FiTech Go EFI 4 installed in a 1981 (to 1978 conversion) Trans Am was a success. Overall, EFI is the way to go, you wont regret it. Have a good mechanic/hot rod friend who has done many conversions with FiTech unit with excellent results and NO problems. In the original article, I mentioned I was not an EFI expert, but after some simple research - and with the help of the Holley tech line - I was able to inflict some simple adjustments to make the Sniper even better for my application. All aftermarket TBI's such as Holley Sniper, FiTech EFI, MSD Atomic and others share the same body height as a Quadrajet or Holley carb. FiTech is probably your best bet if you're not looking to spend a lot of money. any feedback and or tips and hints or even don't will be welcome. At an average improvement per tank of 1 mpg—say 15. COMP CAMS Camshaft Degree Kit (GM Gen III/IV LS-Type Kit) [4942] This kit contains everything needed for camshaft degreeing when the cylinder heads are OFF of the engine. I also have an older holley efi system on anohter car and it is by far leap and bounds better than the stock TBI and mail order chips for these is a joke. ECU is built into the throttle body and has the same configurable setup we used on the 292. Introducing the Sniper EFI BBD Master Kit, for Jeep CJ's! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Here we look at the Holley Sniper, FiTech Go Street EFI, and the FAST EZ-EFI. 039" quench, etc. No double pump type carburetors. There are always naysayers that will crap on TBI, and tout the advantages of multiport, but there isn't a single multiport system that is fully bolt on and running in just a few hours, for as cheap as the FItech or Sniper is. lol Maybe just sell the motor complete and try to find a 360,. Holley says the Sniper EFI will work on a spreadbore intake, but I still used a spacer/adapter. Best Practices. 5 around town. I've looked at everything from the EZ 2. Don't buy a Sniper thinking your going to get 25 mpg if you like to use the gas pedal a lot. FITECH EFI REVIEW: In my opinion, the Go EFI 4 (aka 600hp) is a better choice over the Go Street EFI (400hp) for most performance applications. Read the "199R10632rev4" PDF document for a "V2 Software Update Overview" (in "Holley EFI V2 Instructions"). Almost a month since my last update and the weather is definitely more conducive to cruising So the Sniper is a self tuning EFI system which means you can pretty much bolt it on, set up a few basic parameters which will configure a default base map and then let it do its thing and it'll run just fine. You might have considered switching from a carburetor to electronic fuel injection before, but held back because of worries about complexity and price. Initial installation time took just less than 8 hours and we had the. Have a good mechanic/hot rod friend who has done many conversions with FiTech unit with excellent results and NO problems. For pure torque in the low- mid range they cannot be beat either. Holley Sniper 2300 EFI Self-Tuning. Holley Sniper EFI 2300 Self-Tuning Master Kit - Classic Gold Finish Holley Sniper 2 Barrel Fuel Injection Conversion - Self-Tuning Master Kit + Handheld Display - Classic Gold Finish Part# 550-851K. The Holley Sniper EFI Self-Tuning Kits feature all the benefits of EFI, and are a perfect option for street cars, muscle cars and off-road vehicles. as well as learn what makes up "bad gas mileage" and a "sound transmission," for. Be sure to successfully install the new V2 software, before installing the ECU firmware (read " V2 Update Instructions "). EFI is not something I was overly comfortable installing. Holley Sniper Efi Throttle Body 860004-1 102mm Black Billet Aluminum For Ls. Holley just brought EFI within range! Introducing Sniper EFI! It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. There are several ways to do EFI on Vortec heads. We installed and ran all three units on a ’66 Biscayne wagon that has a very basic small-block Chevy in it. To date I have logged about 15k miles on this system and it works great. I doubt the throttle. Holley® has been the undisputed leader in fuel systems for over 100 years. Re: Holley Sniper EFI Another thing to keep in mind when considering an EFI conversion is the fuel system. Fitech Efi Install On 78 Cj5. Holley's Chevy big-block intake is a dedicated EFI design, rather than an adaptation of a carbureted intake. Muscle cars, whether Ford or Chevy, do seem to get thirsty for gas, but that's because those old four-barrel carburetors often installed on Camaro and Corvette engines aren't smart enough to know the moment by. Shop right now. All three systems require only simple inputs like engine displacement and injector sizing, and then they create their own spark and fuel maps that generate instant results at the touch of the key. The vast majority of the time, the owner just wants to say "My 197? truck has EFI and I did it. 56 MPG Wideband: AFR is staying a bit rich on the cruise tests, mostly around 13. All aftermarket TBI's such as Holley Sniper, FiTech EFI, MSD Atomic and others share the same body height as a Quadrajet or Holley carb. If all that sounds ok, you will probably asked for a copy of your mapping from computer. Carburetor must be a single line feed type carburetor with vacuum secondaries. I got some time to work on my project. This ignition system is designed to be a perfect complement to those enthusiasts already using a Sniper EFI on their car or truck. Kind of related, but I'm about ready to jump on the Holley Sniper efi. “Driving around town after the tune I was averaging, depending on driving conditions, nearly 12 MPG, whereas before it was running at about 6 to 7 on the carb — that is nearly twice the fuel mileage with the Holley Terminator TBI EFI system. A community for fans of the classic Dodge Charger. , and Bigstuff3. Sniper EFI products are part of the Holley Performance family and offer economically priced self-tuning fuel injection systems. "Needless to say, we were impressed and plan to test the system on even higher HP engines in the near future. I don't know for sure that the Holley setup is good, but I am pretty sure that the Atomic EFI setup is not, based on 3/3 bad experiences. 96 has 40' of Earls VaporGuard and fittings (and an external pump you won't need) Sniper 1" drop base $22. FITECH EFI REVIEW: In my opinion, the Go EFI 4 (aka 600hp) is a better choice over the Go Street EFI (400hp) for most performance applications. Left port has heater hose, right port has temp sensor for my Dakota VHX gauge. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. It’s perfect for any vehicle that came standard with a 2300 Holley Flange. Howell Fuel Injection Kit AMC V8. Personally, I have experienced a 4+mpg gain in fuel mileage utilizing such "built-in" features of GM EFI systems. If you are at all worried about breaking in the engine with EFI i recommend that you do the break in with a carb. In this video I install a Holley Super Sniper EFI system on my #FairmontProject. Looking into the plenum of the Holley EFI intake shows considerable design differences between it and intakes for carbureted use. Muscle cars, whether Ford or Chevy, do seem to get thirsty for gas, but that’s because those old four-barrel carburetors often installed on Camaro and Corvette engines aren’t smart enough to know the moment by. FITECH EFI REVIEW: In my opinion, the Go EFI 4 (aka 600hp) is a better choice over the Go Street EFI (400hp) for most performance applications. Holley Sniper Efi 550-516 Classic Gold Finish Self Tuning Kit 650 Hp Efi Kit Hp 4150 Super Sniper Electronic Fuel Injection System between horse power and. The same Sniper Stealth 4500 EFI systems that can support 200 MPH dragsters can fuel your 800+ horsepower Pro Street car: new patent-pending Sniper Stealth 4500 EFI systems from Holley support up to 1,500 horsepower naturally aspirated—up to 1,250 horsepower on forced-induction applications—or anything with a 4500 flange that needs big power. The system will support higher horsepower with higher fuel pressure. LS EFI Systems Holley Performance Products An EFI System so easy and powerful you’ll think it’s alive! Simply bolt it on, feed it a few basic answers and let Holley LS EFI take control of your ride! Sniper Holley Performance Products The Sniper line of products are bringing high quality products into everyone's price range!. Ford Inline Six, 200, 250, 4. Holley Sniper EFI 4150 Super Sniper 650 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish Part# 550-520. Lots of other benefits that people don't know about such as you CAN manually tune the Sniper if you had to. EFI is not something I was overly comfortable installing. I finally pulled the trigger on the Holley Sniper EFI. Find Holley Sniper EFI Self-Tuning Fuel Injection Systems 550-510 and get Free Shipping on Orders Over $99 at Summit Racing! Holley Sniper EFI self-tuning fuel injection systems from Holley deliver all the benefits—and none of the hassles. Shop tons of ls1 ls2 ls6 available for sale. Find helpful customer reviews and review ratings for Holley 550-511K Sniper EFI Self-Tuning Master Kit at Amazon. While my MSD distributor could be made to work, some people have had issues with magnetic triggering and that was quickly verified by researching online. My mpg has increased about 15-20% (from 8 mpg to 9. 95 Holley 565-302 - Sniper EFI HyperSpark Distributor Only $249. 5 and idle to 14 - maybe that will help. I don't know for sure that the Holley setup is good, but I am pretty sure that the Atomic EFI setup is not, based on 3/3 bad experiences. So, I contacted EFI System Pro and they laid out a recommended system. It supports as much as 600 hp, but an. We install a Holley EFI-ready fuel tank with in-tank fuel pump in our 1964 Chevelle project car, and prepare it for a Sniper EFI system. I actually took a mileage hit as far as I can tell, but I had the 750 holley vac sec very dialed in, to the point where it would almost lean surge if it was a very cool night driving home. Ford 460 Efi. Otherwise, hopefully in a few weeks, I'll have it up and running with the Holley Sniper setup. Basically I just need efi clamps and hose anywhere along the line, 50 year old stuff anyways. The Dual Quad EFI System You've Been Waiting For!The Sniper 4150 2x4 EFI System was hinted at for years before it was finally introduced. Holley GM LS Idle Air Control Motor 543-34 Replacement Idle Air Control (IAC) Motor for Sniper EFI 90/92/102mm Throttle Bodies and 90/95/105mm Holley EFI Throttle Bodies 543-34 MSRP:. FITECH EFI REVIEW: In my opinion, the Go EFI 4 (aka 600hp) is a better choice over the Go Street EFI (400hp) for most performance applications. My truck has a 283 bored to 0. These Holley Dominator EFI vehicle management systems are intended for all engine applications, from street to high-end racing. AND Holley is the EFI of NASCAR so I think that says something. Go with a 460 efi, if you must have an efi, but dont put 302 or 351w in, because it require you to find a 300 I6 trans. “The HyperSpark is made to be a direct plug-and-play to Sniper EFI units only,” says Jeff Teel of Holley Performance Products. 96 has 40' of Earls VaporGuard and fittings (and an external pump you won't need). 1050 holley, Victor imari ja msd jakaja. Aug 20, 2019- Explore greeneappeal's board "Ideas for my truck" on Pinterest. Stock Replacement Fuel Tanks Year-Make-Model Year *select 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964. Holley has designed the Sniper around Holley "plug and play" parts. T ichenor from Holley said that ideal fuel pressure for a Holley carb is 5-7 psi. 060"-over, an RV cam, and (currently) an Edelbrock Performer manifold with a Holley Economaster 4-bbl on it. I run 2600 rpm on the highway at 65 mph. The motor was built by a local builder who recommended a higher compression ratio due to our elevation (4400 ft. First thing is first to help answer one basic question. The recently installed Holley Sniper EFI is not reading the O2 sensor. Shop tons of ls1 ls2 ls6 available for sale. We install a Holley EFI-ready fuel tank with in-tank fuel pump in our 1964 Chevelle project car, and prepare it for a Sniper EFI system. Holley's Terminator EFI has a throttle body that looks like a four barrel carburetor but has the same airflow design characteristics as the Holley EFI used on NASCAR's Sprint Cup cars. Fuel Pumps / Regulator Technical Information Flow Chart for Externally Mounted Electric Fuel Pumps Holley Electric Fuel Pump Ground To accessories Oil Pressure Switch C P/N: 12-810 Ignition switch NC NO Starter motor Solenoid Battery Coil To distributor OIL PRESSURE SAFETY SWITCH It's always a good idea to place a safety switch in the circuit. That said the tech support has gotten better with fitech, but I've heard Holley's tech is better. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro-Stock champion for four decades. Having the choke issues I had this year has really made me consider EFI for the 70. Holley's drop in my stock tank, returnless 58 psi fuel pump, considering my car doesn't have one, that hooks right up to my factory gauge is a no brainer. Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Go buy a cheap Honda Civic and get 30+ mpg, for around $1000 or cheaper. Pressure is pre-set to 7 PSI and a regulator is not required. If you claim altitude benefits, sure maybe a little, if you live on top of a mountain and work in a canyon. Approx $1500. Holley Sniper, FiTech, Summit, MSD, FAST EZ, Holley Terminator. It's been a big hit this year and has gathered much attention on the forums I go on. Is that feasible? I think I might be leaning towards the Holley Sniper EFI. I’ve concentrated most of my research on Holley and MSD. Aug 20, 2019- Explore greeneappeal's board "Ideas for my truck" on Pinterest. Holley Sniper EFI conversion fuel tanks are the complete bolt-in solution for your EFI conversion. Many other "plug and play" parts are available and more are coming. 1050 holley, Victor imari ja msd jakaja. Olis tarkoitus talven aikana kaivella koneesta lisää voimaa, yläkerta menisi uusiksi. I have an older Holley system that I may swap in place of my tbi setup, or I may just go directly to the 454. Baseline for the EZ-EFI system is 43 psi, at which the four injectors and EZ-EFI throttle body will support 550 horsepower. 95 Holley 565-303 - Sniper EFI HyperSpark Distributor Only $249. Holley asked me to connect the timing control in order to make sure it wasn't an ignition problem. Howell Engine Developments, Inc. If you claim altitude benefits, sure maybe a little, if you live on top of a mountain and work in a canyon. Holley have released an affordable kit that I think will work out nicely. Lets you choose number of cylinders (4, 6, or 8), displacement, idle speed, and timing control or non-timing control distributor for open or closed looping. > > What real benefits would there be, what drawbacks would there be, and should > I do this? Nice idle and mileage on a 390. Holley says the Sniper EFI will work on a spreadbore intake, but I still used a spacer/adapter. Many other "plug and play" parts are available and more are coming. We visited FiTech to take a look at their Go EFI throttle body injection systems, and came away impressed with all the different possibilities, as well as how affordable they've made the conversion. Looking into the plenum of the Holley EFI intake shows considerable design differences between it and intakes for carbureted use. I also have an older holley efi system on anohter car and it is by far leap and bounds better than the stock TBI and mail order chips for these is a joke. I now have 3;73 gears and enjoy a 60% improvement in mpg consistently and my best is 72% improvement on one long drive. The simplicity and quality of it is pretty hard to beat. Be sure to successfully install the new V2 software, before installing the ECU firmware (read " V2 Update Instructions "). Uses Same Throttle & Transmission Linkage As 4150 Holley Carburetors Integrated Fuel Pressure Regulator, Ignition Timing Control & Coil Driver Black Ceramic Finish Disipates Heat And Looks Tough. Holley brass also states that a dual-quad version is in the works. The system will support higher horsepower with higher fuel pressure. Just wondering if anyone has switched over to the Holley Sniper Quadrajet EFI? If so could you please let us know your results. or if you do laptop its a little faster. The Holley Super Sniper High Performance EFI kit comes with a coolant temperature sensor and an O2 sensor, both of which must be used for the EFI to work properly. Holley has been the undisputed leader in fuel systems for over 100 years. Page 2- MSD atomic efi or Holley Sniper? Trash Or Be Trashed. The fuel tank is like new inside and out only about 5-6 years old. A community for fans of the classic Dodge Charger. Page 4- Q-Jet vs Holley Sniper Pontiac - Street. More so than the holley? The cold idle is still poor with the holley though. Ford Inline Six, 200, 250, 4. It's perfect for any vehicle that came standard with a 2300 Holley Flange. modernizing your older pickup with electronic fuel injection was seemingly impossible. com : Factory Five Racing Discussion Forum. I don't know for sure that the Holley setup is good, but I am pretty sure that the Atomic EFI setup is not, based on 3/3 bad experiences. It has Eddie aluminum heads, Performer intake, TTI headers, 8 3/4 SureGrip, 323 gears, 727 with B&M kit. The car is a 1975 MGB with a 1963 Oldsmobile 215cu (3. How to install a holley snyper efi. I suggest having all information, including tire size, rear end gear, tranny, engine, camshaft, and vehicle weight. 5 gallons Sniper Fuel System $260. Avenger Multi-Port EFI systems for small or big block Chevys are ready for the street or strip with the simple swap of an intake!. Sniper EFI products are part of the Holley Performance family and offer economically priced self-tuning fuel injection systems. I tried to probe further and he basically mentioned that the systems seem to have electrical problems and computer problems. Having the choke issues I had this year has really made me consider EFI for the 70. Sourcing parts for the swap like an HEI distributor etc and a carb'd intake is not an issue as I understand that having a 4l60E ill have to keep the TPS for the tranny to work. 9L / 300 - Holley Sniper EFI install - Hi all, So, I finally got my engine installed into my new Bronco. See more ideas about Truck accessories, Truck mods and Trucks. The motor was built by a local builder who recommended a higher compression ratio due to our elevation (4400 ft. BUT, then I keep hearing Many Good things about the Holley Sniper unit. As I understand the sniper it utilizes a Volumetric efficiency based fuel calculation. There are not any O2 leaks that I can find. The injectors are rated at 88-lbs/hr at 60 psi. Muscle cars, whether Ford or Chevy, do seem to get thirsty for gas, but that’s because those old four-barrel carburetors often installed on Camaro and Corvette engines aren’t smart enough to know the moment by. EFI is not something I was overly comfortable installing. Find helpful customer reviews and review ratings for Holley 550-511K Sniper EFI Self-Tuning Master Kit at Amazon. I've done research as much as I could on EFI and figured the Atomic EFI from MSD would suit what I am looking for (ease of installation, computer controlled fuel and ignition). 80 per gallon, you'd have to drive a little more than 100,000 miles for the EFI to pay for itself. It began with a couple of EFI systems a few years back, and now, FiTech has systems covering a range of applications and performance needs. Read honest and unbiased product reviews from our users. 1-866-464-6553. Has anyone installed the Sniper EFI system on a vintage Mopar? Specifically wondering about how the fuel return was handled and if the pump was mounted in tank like Holley suggests or frame rail mounted. Specifications: Holley 556-152 - Sniper EFI HyperSpark Ignition Coil Only $37. See more ideas about Holley efi, Map sensor and Ls engine. modernizing your older pickup with electronic fuel injection was seemingly impossible. If you go to E85 do this: 1) Add about 35% more fuel to the base fuel table, cranking fuel, and 2 AE fuel tables. Page 9- Fitech EFI new install, How about the holley sniper kit, 1250hp with lower numerical gears and hopefully 17-20 mpg avg. Super Super Sniper EFI. Just installed the sniper kit on my '66 Bronco with a freshly built 302. I installed it on my 347" Fairmont, which I use primarily for street, autocross, and open track. If you are at all worried about breaking in the engine with EFI i recommend that you do the break in with a carb. However I do have the original Rochester carb and so was wondering, other than just being historically correct for the car, if there are any advantages to putting it back rather than just leaving the holley on there?. The major difference between EFI and carburetors is the ability to tune specific areas. Builds 1985 FJ60 Gets a Holley Sniper EFI Setup. If all that sounds ok, you will probably asked for a copy of your mapping from computer. Fuel Pumps / Regulator Technical Information Flow Chart for Externally Mounted Electric Fuel Pumps Holley Electric Fuel Pump Ground To accessories Oil Pressure Switch C P/N: 12-810 Ignition switch NC NO Starter motor Solenoid Battery Coil To distributor OIL PRESSURE SAFETY SWITCH It's always a good idea to place a safety switch in the circuit. With the Holley 625 and the 4V Edelbrock intake, the car runs great - the idle is just as smooth as EFI, never runs rich, no lean pop - the only thing missing is better gas mileage. There are several ways to do EFI on Vortec heads. The sniper wiring harness it supplying the power source directly to it. So, I contacted EFI System Pro and they laid out a recommended system. as well as learn what makes up "bad gas mileage" and a "sound transmission," for. Find Engine Parts, Replacement Engines, And More. yeah according to the holley sniper forum, the default AFRs are terrible for gas millage, (im getting 10-12 mpg as well) stock is 13. VE is determined by several factors. 0 Top End Kit Aluminum Heads. Holley's tech guys have been trying to help as well but we are not making much progress. I really like the system. It doesn’t require understanding how the Inlet Air Temperature (IAT) or Manifold Absolute Pressure (MAP) sensors work. Approx $1500. While my MSD distributor could be made to work, some people have had issues with magnetic triggering and that was quickly verified by researching online. We decided to pitch the new FiTech self-learning EFI throttle body up against a traditional Holley carburetor. Today’s off-the-shelf anodized colors include the traditional red and blue,. I suggest having all information, including tire size, rear end gear, tranny, engine, camshaft, and vehicle weight. If you have a CD box (for example, an MSD system), then the Violet and Dark Green wires go to a small one-wire ignition adapter (included with the system). If you go to E85 do this: 1) Add about 35% more fuel to the base fuel table, cranking fuel, and 2 AE fuel tables. COMP CAMS Camshaft Degree Kit (GM Gen III/IV LS-Type Kit) [4942] This kit contains everything needed for camshaft degreeing when the cylinder heads are OFF of the engine. Fitech efi fuel consumption at 70 and 80mph, 4 speed manual. Now, Holley EFI products power these cars and are dominating the performance world. You might get better fuel mileage with EFI, and it will definitely run better if it runs like crap with a carburetor now, and everything else is working like it should. Finally, a bolt on Intake Manifold for J series using a Holley EFI Intake Plenum. Advanced Features of the Holley Sniper EFI Unit Click Here to Begin Slideshow Previously, we discussed how to install the Holley Sniper EFI unit, and I mentioned that for the purists out there (like me), it’s a great way to retain that awesome carb look while getting the advantages of electronic fuel injection. Holley also makes a Sniper EFI system for Fords, and there are a variety of other brands available according to Summit Racing. I installed the Holley Sniper EFI and the Holley Sniper Fuel tank on my 1971 440 Cuda mainly to get rid of the gas smell from my car. Approx $1500. ca goes through the important steps of installing electronic fuel injection on a 250ci straight 6 engine, in a 67' Camaro. Every part of the Holley Sniper EFI Systen installation is a breeze but a few folks are challenged to get the idle rpm set correctly. Bah' who needs that. More so than the holley? The cold idle is still poor with the holley though. Personally, I have experienced a 4+mpg gain in fuel mileage utilizing such "built-in" features of GM EFI systems. Wiring the Ignition to Holley's Sniper EFI System. then 1 day i was killing time as i eat my lunch and went on you tube and typed in " holley sniper problem " and the first page up of results was 8 links to video's of my exact problems or worse and all these people commented they were taken right care of and fixed up super fast by holley. Try to fix a EFI if it fails. > > What real benefits would there be, what drawbacks would there be, and should > I do this? Nice idle and mileage on a 390. A community for fans of the classic Dodge Charger. The engine is a turbocharged 363 custom small block Ford. Features include:. To start viewing messages, select the forum that you want to visit from the selection below. It is set up to run a F/A ratio of 12. 0 EFI had a high presure electric fuel pump that will not work with carb, you can buy an electric pump that will work with carbureted engines like the "holley blue" but they are noisy as hall and they will boil your fuel, and if you want to go daily they are not recomended without a bypass and returne line the other option is. They have nearly unlimited capabilities to control any power adder, input, or output that you can throw at them. lol Maybe just sell the motor complete and try to find a 360,. Yukon duragrip posi w/3. Holley asked me to connect the timing control in order to make sure it wasn't an ignition problem. The system will support higher horsepower with higher fuel pressure. A community for fans of the classic Dodge Charger. 5 Idle, 14 cruise, and 12 WOT. It runs good, but lacks power. We decided to pitch the new FiTech self-learning EFI throttle body up against a traditional Holley carburetor. We have the performance fuel system parts to feed your mill including injectors, throttle bodies and nitrous systems. Driving cruiser I've removed good mpg from my vocabulary, ha. This is my second Sniper EFI. Sniper EFI $999. The recently installed Holley Sniper EFI is not reading the O2 sensor. I installed the Holley Sniper EFI and the Holley Sniper Fuel tank on my 1971 440 Cuda mainly to get rid of the gas smell from my car. I'm running a Holley HP EFI on my stacked 331. > > What real benefits would there be, what drawbacks would there be, and should > I do this? Nice idle and mileage on a 390. I feel that Holley may have a higher quality standard for their parts. Here we look at the Holley Sniper, FiTech Go Street EFI, and the FAST EZ-EFI. " He should have said "quicker and easier to tune than a HOLLEY carb". BUT, then I keep hearing Many Good things about the Holley Sniper unit. Cam is tentatively a Lunati hyd roller [email protected], 611 lift, 110lsa. Overall, EFI is the way to go, you wont regret it. No fuel tank mods needed. Find Holley Sniper EFI Self-Tuning Fuel Injection Systems 550-510 and get Free Shipping on Orders Over $99 at Summit Racing! Holley Sniper EFI self-tuning fuel injection systems from Holley deliver all the benefits—and none of the hassles. To date I have logged about 15k miles on this system and it works great. Re: Any other Holley Sniper EFI installs? 500 miles and 3 months of hell from the moment i fired it up for the first time. Holley Sniper EFI 4150 Super Sniper 650 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish Part# 550-520. 68 mustang coupe back halfed. Now, Holley EFI products power these cars and are dominating the performance world. Re: Holley Sniper EFI Another thing to keep in mind when considering an EFI conversion is the fuel system. Holley 2-bbl Sniper This one delivers 580 cfm. There are several ways to do EFI on Vortec heads. In fact the stock tbi is like 350 cfm (depening where you read) and limits your power capabilities where as this older holley system is 600 cfm and would be a much better scenario. For years we have worked with Holley and used and supported their EFI systems. Holley Sniper is a great product with good bang-for-the-buck. Fitech Efi Install On 78 Cj5. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro-Stock champion for four decades. I really like the system a lot, in speed density mode at high altitude with a large cam I get next to no vacuum but I'm still able to tune it enough to get 10 mpg with no overdrive, on E85!. I dont think there is a great deal of difference between the likes of Fitech, Holley sniper etc. The recently installed Holley Sniper EFI is not reading the O2 sensor. On the serious end of the spectrum lie the Dominator EFI, which has nearly unlimited. Page 2- MSD atomic efi or Holley Sniper? Trash Or Be Trashed. And the lower price of the Sniper is nice too. Aug 20, 2019- Explore greeneappeal's board "Ideas for my truck" on Pinterest. The injectors are rated at 88-lbs/hr at 60 psi. Bottom line, the EZ-EFI is actually quicker and easier to tune than a carb. Holley just brought EFI within range introducing Sniper EFI master kits! Its economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. > > What real benefits would there be, what drawbacks would there be, and should > I do this? Nice idle and mileage on a 390. Lets you choose number of cylinders (4, 6, or 8), displacement, idle speed, and timing control or non-timing control distributor for open or closed looping. Funny because I called Holley tech today and they recommended the msd ones. Entry level self-tuning EFI systems were basically designed to replace four-barrel carburetors on naturally aspirated engines. A community for fans of the classic Dodge Charger. Summit Racing carries Sniper EFI throttle body kits as well as Sniper EFI fabricated intake manifolds designed to maximize your vehicle’s power while going easy on your budget. Chevy CK Pickup 1991, Avenger™ Multi-Port Power Pack Kit by Holley®. Solving RF Interference Issues in Sniper Installations Posted by Chris Myer 05/25/17 6 Comment(s) Holley Sniper EFI Instruction , In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). This is the proper way to setup a Holley EFI global folder for E85. If I buy an EFI system with my engine, will West Coast Engines dyno it with the EFI installed?. How to install a Holley Sniper TBI fuel-injection system on a big-block Chevy engine, and the benefits that go along with using EFI. EFI is not something I was overly comfortable installing. Our systems deliver more power and a better throttle response, giving you the performance you need. 55 rear end, a 600cfm Holley on an Offenhauser. Out of the two mentioned by the original poster, I think I'd go with the Sniper setup, sight unseen - because I know three people that have tried Atomic and each of them have had problems. It’s perfect for any vehicle that came standard with a 2300 Holley Flange. Let’s face it, I had no previous experience before this. The motor was built by a local builder who recommended a higher compression ratio due to our elevation (4400 ft. If you do break in the engine with the EFI be sure there is more than 18 inches of exhaust past the oxygen sensor to ensure it reads correctly. Holley Sniper Efi Fuel Injection Conversion Kit Sbc Sbf Bbf Bbc 550-510 Polished. Once you can get your head into the system Its really quite intuitive to tune and adjust to the way you like to drive. I don't know for sure that the Holley setup is good, but I am pretty sure that the Atomic EFI setup is not, based on 3/3 bad experiences. In this video I install a Holley Super Sniper EFI system on my #FairmontProject. The Quadrajet seems to be working very well and I was lucky enough to get almost 15 MPG on the trip (averaging about 70 MPh) My question is this. << Back E-Mail A Friend. 00, Holley fuel tank module $330. I suggest having all information, including tire size, rear end gear, tranny, engine, camshaft, and vehicle weight. All parts including the Holley tank with in-tank pump, new braided lines with AN fittings, Holley EFI distributor with MSD box to be able to have the system adjust the timing and the Sniper unit with touch screen totaled about $2k. Holley Sniper Efi 550-516 Classic Gold Finish Self Tuning Kit 650 Hp Efi Kit Hp 4150 Super Sniper Electronic Fuel Injection System between horse power and. I wouldn't mess too much with the WOT target, as I'm guessing you're not too concerned with fuel mileage at that point (and would prefer to err to the side of caution there). Yes, it will talk to you--but not with words. Holley just brought EFI within range! Introducing Sniper EFI! It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. I LS-swapped my first K10 (5. FAST efi vs. Building a daily driver reliable fuel system to support EFI is a much bigger hassle than installing and setting up the injection unit itself. Most efi systems have a highway mode operation in which fuel can be saved during periods of cruising that don't effect any other driving period.