350 chevy efi

Fuel mileage and crisp operation is the advantage. Employing the timing in EFI is certainly a big advantage of the system, but takes some work. 1969 Nova SS 350. 407 CU IN / TKO-600 / 4.11. 452 WHP / 476 WTQ. 11.41 at 121 MPH.

350 chevy efi. EFI recommendations for a small block chevy. Jump to Latest Follow. 36K views 23 replies 17 participants last post by twin engines Feb 28, 2021. Paul Red 55 …

Small Block Chevy Multi-Port Power Pack kit for Early/Late heads includes: Holley EFI single plane intake (2000-6500 RPM Power Band) and 1000 CFM Throttle Body New Holley Small Block Chevy Multi-Port Power Pack kits are partially assembled and do not include an ECU, harness, fuel pump, injectors or sensor connectors. These kits are intended to …

Nov 13, 2023 ... Today at Ugly Truck, we're installing the FiTech EFI and fuel system on the 1987 Chevy Blazer. This squarebody has been full of surprises, ...Pro-Flo 4 EFI Systems feature a high performance Edelbrock intake manifold with a 1,000 cfm throttle body, fuel rails and individual injectors for each cylinder. Key to the improved performance of a system like this is the fuel injector location, which is at the end of the runner on the intake manifold right before the air flow stream enters ...Oct 22, 2020 · Are they asking what year the injection is? Early TPI used a MAF sensor, later TPI used a MAP sensor, which might require different wiring harnesses. -Dave. '70 Chevelle ZZ383 / 700r4 / 3.73 -- MS3X efi / Hotchkis A-arms & Springs / B-body 12" brakes / 1.25" F-body swaybar / UMI rears & swaybar / JGC PwrStrUpg. R. 350 chevy electronic fuel injected motor 35,000 miles Chevy fuel injected electronic miles motor 1200 odessa The chevy 350 small block crate engine buyer's guide. Chevy 350 Crate Engines | KarlKustoms.com. Ram jet fuel injection manifold kit (less electronics): gm performance Crate engines Chevy sbc 350 downdraft + fast ezi-efi 2.0 …Small Block Chevy ZZ6 EFI Deluxe 350 ci Crate Engine. 420 HP @ 5,800 rpm. 408 ft.-lbs. Torque @ 4,500 rpm. Aluminum Cylinder Heads. Hydraulic Roller Cam. 9.72:1 Compression. View Details. $10,699.50. Ships Today.Shop 350 Chevy Small Block V8, Electronic Fuel Injection and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... FiTech 37858 Go Port EFI Fuel Injection System, SBC, 550-1050 HP. Injection Style: Multi-port. Fuel Injection System Type: Single 4-Barrel Throttle Body …

Small Block Chevy Multi-Port Power Pack kit for Early/Late heads includes: Holley EFI single plane intake (2000-6500 RPM Power Band) and 1000 CFM Throttle Body New Holley Small Block Chevy Multi-Port Power Pack kits are partially assembled and do not include an ECU, harness, fuel pump, injectors or sensor connectors. These kits are intended to …Find CHEVROLET 5.7L/350 Fuel Injection Systems and get Free Shipping on Orders Over $109 at Summit Racing!The small block Chevy engine is equipped with eight cylinders arranged in a V-configuration. The 350 engine block is made of cast iron and has a bore and stroke of 4.00 inches by 3.48 inches, respectively. The compression ratio of the engine varies depending on the specific model and can range anywhere from 8.0:1 to 10.25:1.ATK Engines HP32CPAK1 - Chevy 350 Engine and Transmission Kit. (0) $9,241.34. ATK Engines HP32C - HP32C High Performance Crate Engine Small Block Chevy 350ci / 350HP / 400TQ. (0) $4,574.99. ATK Engines HP32M - High Performance Crate Engine Small Block Chevy 350ci / 350HP / 400TQ. (1) $3,648.99.Sep 29, 2023 ... Today at Ugly Truck, we're tearing into a new project, and I mean PROJECT. This 1987 K5 Blazer will eventually get a 6.0 LS swap, ...There are several variations of the Chevy 350 engine that come with different horsepower ratings. Chevrolet indicates that the deluxe model of its small crate engine has 290 horsep...SKU. 35760. Add to Cart. Details. The Edelbrock Pro-Flo 4 EFI Kit #35760 for 1986 & Earlier Small-Block Chevy engines is equipped with the latest technology and features. The EFI system comes complete with a traditional 4150-Style satin finish single plane intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. fuel pressure.

Over 350 deaths have been recorded in northern Nigeria since the outbreak began late last year Since late last year, northern Nigeria has been subject to an outbreak of cerebrospin...Website: https://www.brotherstrucks.com/Dave teased a little bit about doing a complete EFI conversion when he showed us BROTHERS EFI Tank Module a while bac...Conversion kits 500 from EFI connection for coil per cylinder. Injectors 200-300. Manifold 200-500. Wiring harness and PCM 250-900. Tuning free - 300. Coils 100-200 can be bought new for 200 from EFI connection. The most cost is wiring harness conversion. If you can do it yourself you save about 600-700 dollars. Tuning really isn't … Find CHEVROLET 5.7L/350 Chevy small block Gen I Edelbrock Pro-Flo 4 EFI Systems and get Free Shipping on Orders Over $109 at Summit Racing! Edelbrock Pro-Flo 4 EFI systems provide you with a high performance traditional-style intake and 4150-style throttle body. Unlike regular throttle body EFI systems, Pro-Flo 4 features the fuel rails and individual injectors for each cylinder mounted on the ... Crate Engine Family. Chevy Small Block (21) Chevy LS (6) Get Results. Actual Engine Displacement. 5.7L/350 (11) 6.3L/383 (8) 6.8L/416 (4) 6.6L/400 (2) …1.Comp Cams 54-470-11 Camshaft for 350 Chevy– Best Overall. SB Chevy B01N40WFI0 Cam & Lifter Kit– Seamless Sound. COMP Cams 12-602-4 Camshaft for 350 Chevy-High Compression Ratio. COMP Cams CL 12-206-2 Camshaft for 350 Chevy– Budget Friendly. COMP Cams CL 12-235-2 Camshaft for Chevrolet Small Block …

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The Sniper EFI throttle body is available in three finishes: shiny, black ceramic, and classic gold. Choose Your Ratio. One of the great features of the Sniper is the ability to set your air/fuel ratio (AFR) where you want it. A Stoichiometric air-fuel ratio is 14.7, which is the ideal ratio for “exhausting” the lowest emissions.Find CHEVROLET 5.7L/350 Chevy small block Gen I Holley Sniper and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model SearchSee All 11 Photos. Fuel Tank Venting. Just like in a carbureted system, proper fuel tank venting is essential for preventing vaporlock, fuel slosh, fuel odor, and more. In fact, it’s even more ...350 HP SBC 350 Build Recipe. 350 HP 350 SBC build list components using a late-model 1-piece rear main seal two bolt main block. 350 Chevy Rotating Assembly. Chevrolet Performance Cast Iron Vortec Cylinder Head (two quantity) COMP Cams Xtreme Energy Hydraulic Camshaft Kit. Roller Tip Rocker Arms and Push Rods. Holley 600 CFM Carburetor.https://www.proformanceunlimited.com/chevy-engines/Proformance Unlimited's Chevy 350 with 320hp featuring the MSD Atomic EFI system. The Atomic EFI outshines...

Oct 13, 2022 · The early LT1s had speed density air/fuel management and batch-fire fuel injection, but in 1994 Chevy updated to a mass airflow (MAF) system and more precise sequential fuel injection. The LT4 was the final 350 Gen Two small block that Chevy created. It only lasted from 1996-1997, and it was basically a high performance LT1. One newer system that caught our attention is their Ultra Ram EFI, which is a complete port fuel injection system with a slick sheetmetal intake system as a foundation. The Ultra Ram places the throttle body vertically at the front of the engine, similar to modern muscle EFI systems. Rather than four injectors placed in the middle of the intake ...A stock 350 motor can have as little as 145 horsepower and up to 370 horsepower in the LT1 model that was stock in the late 1960 Corvette. The Chevy stock 350 motor had a huge decr...Find CHEVROLET 5.7L/350 Chevy small block Gen I Holley Sniper and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase ... Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Ignition Module, Shiny Billet Housing, Chevy, Gen I, 262-400ci, Mark IV-V, 396-454ci, Each. Part Number: SNE-565 …The stock l31 intake has many hills and valleys, the Marine intake is flat. The Marine intake comes with 24 lb/hr injectors that flow 28.2 lb/hr at the Vortec 60 psi of fuel pressure. At 60 psi, teh stock Vortec popets flow 22.1 lb/hr, so as you can see there is quite a bit of potential in these injectors.Nov 30, 2016 ... Hi, i'm currently building a new engine for my 1990 K1500. I bough a L31 Vortec Longblock and i was planning to use the TBI from my old ...Blueprint New Block Casting Cruiser Small Block Chevy Crate Engine 350 ci / 341 HP / 371 ft-lbs. TQ. Blueprint New Block Casting Cruiser Small Block Chevy Crate Engine 350 ci / 341 HP / 371 ft-lbs. TQ. $4649.00 - $8549.00 ... Blueprint Crate Engines GM LS3 EFI 376 ci 530 HP / 495 FT.-LBS. Blueprint Crate Engines GM LS3 EFI 376 ci 530 HP / 495 ...There are several variations of the Chevy 350 engine that come with different horsepower ratings. Chevrolet indicates that the deluxe model of its small crate engine has 290 horsep...Replacement Wide-Band O2 Sensor. For EZ-EFI, EZ-EFI 2.0, XFI Sportsman or Air/Fuel Meter. View Details. $117.95. Ships Today. Lowest Price Guarantee. Add To Cart. With EZ-EFI from FAST, you don't need a laptop or tuning experience, just install the fuel injection kit to convert your carbureted application.

Tuning a carburetor requires hand tools while EFI requires inputting information into a hand-held controller. You can decide which is the better option. Those early EFI systems were designed around a throttle body that replaced the carburetor. Many self-learning EFI systems on the market today still utilize this design.

When it comes to upgrading a Chevy 350 engine, implementing an Electronic Fuel Injection (EFI) system like the Holley Sniper can lead to a more efficient, high …The TPI manifold was originally designed for 305ci engines with 19 lb/hr fuel injectors operating at 36 psi, and employs a long and narrow runner to enhance bottom and midrange torque. The 350ci ...Aug 18, 2022 · Although throttle-body injection keeps things simple by incorporating all the fundamental EFI system components into one carb-sized unit, you still need to make sure that the rest of the vehicle systems are ready for the upgrade. “The fuel system is a crucial part of any EFI conversion,” Lunsford says. “Carburetors are pretty resilient to ... Blueprint New Block Casting Cruiser Small Block Chevy Crate Engine 350 ci / 341 HP / 371 ft-lbs. TQ. Blueprint New Block Casting Cruiser Small Block Chevy Crate Engine 350 ci / 341 HP / 371 ft-lbs. TQ. $4649.00 - $8549.00 ... Blueprint Crate Engines GM LS3 EFI 376 ci 530 HP / 495 FT.-LBS. Blueprint Crate Engines GM LS3 EFI 376 ci 530 HP / 495 ...Clearance. Home/. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. Perfect for street rods, hot rods, muscle cars, off-roaders and just about any carbureted vehicle, Sniper EFI will put an end ...The TPI manifold was originally designed for 305ci engines with 19 lb/hr fuel injectors operating at 36 psi, and employs a long and narrow runner to enhance bottom and midrange torque. The 350ci ...Edelbrock Performer E-Tec Pro-Flo XT 4 350 C.I.D. 380 HP Long Block Crate Engines 46613. Crate Engine, Performer E-Tec, SB Chevy 350, ProFlo 4XT EFI, 380 HP and 401 ft/lbs TQ, Each, Part Number: EDL-46613. Not Yet Reviewed. Estimated Ship Date: Tomorrow if ordered today.Clearance. Home/. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. Perfect for street rods, hot rods, muscle cars, off-roaders and just about any carbureted vehicle, Sniper EFI will put an end ...Clearance. Home/. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. Perfect for street rods, hot rods, muscle cars, off-roaders and just about any carbureted vehicle, Sniper EFI will put an end ...

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EFI recommendations for a small block chevy. Jump to Latest Follow. 36K views 23 replies 17 participants last post by twin engines Feb 28, 2021. Paul Red 55 …A fuel injection conversion is essentially taking an engine that is carbureted and swapping the carburetor for a an electronic fuel injection (EFI) system. Both a carburetor and a fuel injection system function to add the perfect air to fuel mixture to your vehicles engine. Fuel injection systems were introduced in the 1950s, and had replaced ...Find CHEVROLET Chevy small block Gen I Fuel Injection Systems Speed density Metering Style and get Free Shipping on Orders Over $109 at Summit Racing!The 1965-1966 Shelby GT-350 was really a souped-up Mustang 2+2 fastback with a few modifications. Find out more about the 1965-1966 Shelby GT-350. Advertisement Carroll Shelby, mak...Buy A-Premium Engine Aluminum EFI (90MM) Multi-Port Intake Manifold Compatible with Chevy V8 305 350 400 Small Block - Buick, Chevy, GMC, Olds., Checker, Pontiac & More - 1955-1986 - [1500-6500 RPM]: Intake Manifolds - Amazon.com FREE DELIVERY possible on eligible purchasesIf you are ready to install fuel injection on your classic car for better startup, smoother acceleration and better fuel economy, this series of videos will ...The small block Chevy engine is equipped with eight cylinders arranged in a V-configuration. The 350 engine block is made of cast iron and has a bore and stroke of 4.00 inches by 3.48 inches, respectively. The compression ratio of the engine varies depending on the specific model and can range anywhere from 8.0:1 to 10.25:1.FiTech Retro LS EFI 650 HP Fuel Injection Systems 37001. Fuel Injection System, Retro LS EFI 650 HP Self- Learning, Throttle Body, Injectors, ECM, with Transmission Controller, Kit. Part Number: FIF-37001. ( 1 ) Estimated Ship Date: Monday 5/13/2024. Free Shipping.The Chevrolet small-block engine is a series of gasoline-powered V8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small-block family spanned from 262 cu in … ….

Edelbrock 350 Chevy Small Block V8 Fuel Injection Systems. Injection Style. CFM. Injector Size. Max Horsepower Rating. Brand. Product Line. Application. Department. 9. Make. Price. Select CFM. All. 9. 1100 CFM. 3. 1000 CFM. 9 products. Sort By: Clear All. Category. Air and Fuel Delivery. Subcategory. Electronic Fuel Injection. Part.Eric Rosendahl is an early EFI adopter and converted his 468ci big-block El Camino to a Holley Sniper throttle body fuel injection system right after it was introduced. It’s been on the car now for over two years and he couldn’t be happier with how well the big Rat motor runs. ... All Chevy V8 engines with distributors use a 1-8-4-3-6-5-7-2 ...The Edelbrock Pro-Flo 4 EFI Kit #35780 for Small-Block Chevy engines with Vortec/E-Tec cylinder heads is a fully sequential multi-port injection system designed with a fuel injector strategically positioned in each runner of the intake manifold to deliver the best fuel atomization and most even distribution to each cylinder. This system ...Get the best deals for chevy 350 fuel injection kit at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!Sep 13, 2017 ... BIN file. The Buick engine may run a little rich compared to the Chevy because it is rated less power but that is the beauty of fine tuning. I ...The Holley Sniper EFI Self-Tuning Master Kit is a highly recommended Chevy 350 fuel injection kit. Since no post-install tuning is required, it's great for beginners. Both two-barrel and four-barrel kits are available for engine that crank up to 800 horsepower. An alternative to EFI is throttle body injection.Edelbrock Pro-Flo 4 EFI System for Small-Block Chevy with Vortec/E-Tec Cylinder heads. The EFI System comes with a satin 4150-Style single plane intake & 29 ...The early LT1s had speed density air/fuel management and batch-fire fuel injection, but in 1994 Chevy updated to a mass airflow (MAF) system and more precise sequential fuel injection. The LT4 was the final 350 Gen Two small block that Chevy created. It only lasted from 1996-1997, and it was basically a high performance LT1. While Bosch was working with Mercedes, Chevrolet was hard at work on a fuel injection system of their own. Developed and engineered through GM’s Rochester Products division, the Rochester Ramjet mechanical fuel injection system for Chevrolet’s 283 V8 engine in 1956, marketed for the 1957 model year. Chevy 350 fuel injectionInjection fuel tbi chevy block kit small 7l efi complete Efi complete tbi fuel injection kit -for stock small block chevy 350 5.7l350 chevy with efi. Gmc 4l injectorSbc aluminum efi fuel injection hilborn style down draft intake kit Chevy sbc 350 downdraft efi stack intake manifold system satinInjection 1957 rochester … 350 chevy efi, The classic 350. Our 350 HO is assembled with all-new parts and high-flow heads, giving you more power than just about any production-spec Small-Block ever …, Dec 2, 2017 ... Go to channel · Converting a Carbureted Small Block to EFI on a Chevy Nova - Detroit Muscle S3, E22. POWERNATION•337K views · 9:48 · Go to ..., Shop Edelbrock 350 Chevy Small Block V8 Fuel Injection Systems and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. , In this video I am installing the Holley Sniper EFI along with the distributor and other things in the Edelbrock Performer Aluminum Intake on my Chevy 350. I..., If you’re in the market for a new or used Chevrolet vehicle, it’s important to find a reputable dealership near you. With so many options available, it can be overwhelming to choos..., One of the most popular options is the FAST EZ-EFI 2.0 Self Tuning Fuel Injection System. This kit is designed to replace a carburetor and is compatible with Chevy 350 engines. Another option is the Holley Terminator EFI system, which is designed for high-performance engines and can support up to 600 horsepower., The Edelbrock Pro-Flo 4 EFI Kit #35780 for Small-Block Chevy engines with Vortec/E-Tec cylinder heads is a fully sequential multi-port injection system designed with a fuel injector strategically positioned in each runner of the intake manifold to deliver the best fuel atomization and most even distribution to each cylinder. This system ..., Oct 13, 2022 · The early LT1s had speed density air/fuel management and batch-fire fuel injection, but in 1994 Chevy updated to a mass airflow (MAF) system and more precise sequential fuel injection. The LT4 was the final 350 Gen Two small block that Chevy created. It only lasted from 1996-1997, and it was basically a high performance LT1. , Find CHEVROLET Chevy small block Gen I Fuel Injection Systems Speed density Metering Style and get Free Shipping on Orders Over $109 at Summit Racing! ... Ultra Ram 650 HP Chevy Small Block EFI System With Go Fuel In-Tank Regulated Pump 255 LPH Master Kit. Part Number: FIF-36531. Not Yet Reviewed. Estimated Ship Date: Jun 5, …, Chevrolet Performance’s SP383 EFI Turn-Key kit offers the strong pull of the proven 383 “stroker” combination and the contemporary convenience of electronic fuel injection, delivered with the distributor and damper installed. The throttle body, starter, air conditioning pump, alternator, single-belt front-end accessory drive system, and ..., Base Smallblock Ford. Shown as shipped, with chromed velocity stacks, complete braided fuel lines, and pressure regulator, which can be mounted on the unit (as shown) or it can be mounted by you where you like it. Specify 289-302 or 351W manifold. Height is 10-7/8", but can be 1" shorter with shorty stacks., Upgrading your engine with an aftermarket fuel injection kit is a great way to add power and modern performance to your street or race vehicle. JEGS offers a wide selection of the best aftermarket fuel injection kits for Ford, GM (Chevy), Mopar, and custom applications from top manufacturers such as FAST , FITech Fuel Injection , Holley , Edelbrock , …, Its main differentiating feature is the twin-throttle body fuel injection system that replaced the carburetor in older Chevy 350 versions. With the new fuel injection technology at its infancy, engines, where they were deployed, could only make it above 205 hp and 290 lb-ft of torque. , Blueprint New Block Casting Cruiser Small Block Chevy Crate Engine 350 ci / 341 HP / 371 ft-lbs. TQ. $4649.00 - $8549.00. Shop Now., Speedmaster. Ford SB 289 302 Windsor Downdraft + FAST EZ-EFI 2.0 Fuel Injection System. US $3,390.00. No Reviews yet. Welcome to the new era in fuel injection! Introducing Turnkey EFI. Speedmaster™ line of EFI systems is all you need when deciding to upgrade your engine to modern electronic fuel injection., This is the original 1979 350ci small-block. Not the picture of efficiency when new. When the truck was getting fed through the Quadrajet, my highway mileage was 10.5 to 11.0 miles per gallon. After installing the …, Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Black Powdercoated, 550 HP Max, Pre 1986 Small Block Chevy, Kit. Part Number: EDL-35813 5.0 out of 5 stars , EFI parts from a donor vehicle. The first thing we considered was piecing together our own kit from a donor vehicle. This ended up proving to be a task that would be time consuming and tedious. On top of the time, all the parts would have been used unless purchased separately. Used parts would have made the boat potentially just as …, Small Block Chevy Multi-Port Power Pack kit for Early/Late heads includes: Holley EFI single plane intake (2000-6500 RPM Power Band) and 1000 CFM Throttle Body New Holley Small Block Chevy Multi-Port Power Pack kits are partially assembled and do not include an ECU, harness, fuel pump, injectors or sensor connectors. These kits are intended to …, The Performer RPM power package has a broad operating range for streetable performance and high-end horsepower. The dual-plane, 180° design of the Performer RPM intake works with an Edelbrock carburetor for great throttle response and power up to 6500 rpm. Our RPM Air-Gap manifolds have a unique air-gap design for a cooler, denser intake ..., Shop Chevy Small Block V8, Fuel Injection Systems and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., Aces EFI provides next-level performance for your domestic V8 engine with our Wild Card™ Sequential Multi-Port system. Available as a standalone kit designed for SBC firing orders, or as a top-end kit for SBC, 302, or 351W engines that includes an aluminum intake manifold (available in two finishes, black and raw aluminum), 4-bbl throttle body, fuel rails, (8) 36 lb/hr fuel injectors ..., The Holley Sniper EFI Self-Tuning Master Kit is a highly recommended Chevy 350 fuel injection kit. Since no post-install tuning is required, it's great for beginners. Both two-barrel and four-barrel kits are available for engine that crank up to 800 horsepower. An alternative to EFI is throttle body injection. , Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide! ... FiTech 58004 EFI Fuel Tank, 55-56 Chevy, with Pump/Sender/Straps. View (1) $638.00 More Info. Compare Edelbrock 35950 Pro-Flo 4 EFI Kit, Ford 351 Windsor. View (0), This is the original 1979 350ci small-block. Not the picture of efficiency when new. When the truck was getting fed through the Quadrajet, my highway mileage was 10.5 to 11.0 miles per gallon. After installing the …, The Edelbrock Pro-Flo 4 EFI Kit #35780 for Small-Block Chevy engines with Vortec/E-Tec cylinder heads is a fully sequential multi-port injection system designed with a fuel injector strategically positioned in each runner of the intake manifold to deliver the best fuel atomization and most even distribution to each cylinder. This system ..., A car buddy wants to convert his 350 SBC 290 HP crate motor over to EFI for better hi-way mileage, he drives the car on trips a lot. Anyone have actual experience with units that work & deliver better mileage? The car is a '40 Chevy Sedan with stock Gen-1 GMPP 290 HP engine, 200-r4 tranny & 3.08 gears. Any help or suggestion is appreciated., Pro-Flo 4 EFI Traditional 4150-Style Kit #35900 For Chrysler SB 318-360 CID. 35900. $2,364.95. Pro-Flo 4+ EFI Ignition & Engine Position Harness #36112 Chevy LS 24x Crank/Cam. 36112. $134.95. Pro-Flo 4+ EFI Engine Management System #36130 for Chevy Gen III/IV LS. 36130-bundle., See All 11 Photos. Fuel Tank Venting. Just like in a carbureted system, proper fuel tank venting is essential for preventing vaporlock, fuel slosh, fuel odor, and more. In fact, it’s even more ..., Crate Engine Family. Chevy Small Block (21) Chevy LS (6) Get Results. Actual Engine Displacement. 5.7L/350 (11) 6.3L/383 (8) 6.8L/416 (4) 6.6L/400 (2) …, It’s not easy to make 400 hp with a basic 350 Chevy using stock heads. The advent of modern engines that make 400 hp or more has colored the reality of the past. In our experience, you must have a decent set of cylinder heads in order to make 400 hp on a basic, low-compression 350 c.i.d. small-block Chevy., Thanks to today’s sophisticated management systems, Eight Stack fuel injection can be tuned to all but eliminate hard starting, plug fouling and the basically compromised air/fuel mixture associated with original downdraft carburetors. 289/302/347 Fuel Injection Systems. 351/427 Fuel Injection Systems. 427/428 FE Fuel Injection Systems., Fuel Pressure. If you didn’t already know, EFI systems operate at a much higher fuel pressure than do carburetors. A typical carbureted system requires between 5 and 7 psi of fuel pressure. EFI systems require a higher operating fuel pressure (typically from 20 to 80 psi).