Home Howell Engine Developments, Inc. was formed in 1988 by Bill and Matt Howell to support the growing trend towards the use of electronic fuel injection in the Hot Rod/Street Rod and Four Wheel Drive Industries. At Howell EFI, we do not make a one size fits all product line.
GM TBI Products #H9395 – TBI HARNESS: Universal for 1991-95 Trucks $ 350.00 – $ 400.00 Select options; #HA290 AMC 290 CID TBI Conversion Kit $ 1,400.00 – $ 1,460.00 Select options; #HA327 AMC 327 CID TBI Conversion Kit $ 1,400.00 – $ 1,560.00 Select options
GM TPI Products #H229 – TPI HARNESS: 1986-89 Corvette/Camaro w/ MAF Sensor $ 450.00 – $ 500.00 Select options #H230 – TPI HARNESS: 1990-92 Corvette/Camaro w/o MAF Sensor $ 450.00 – $ 500.00 Select options #H231 – TPI HARNESS: 1986-89 Street Rod Style TPI w/ MAF Sensor
Installation Manuals Two Barrel, Throttle Body Fuel Injection For Oldsmobile V8 Engines in GMC Motor Homes Large Bore 670 CFM TBI on late model GM engine (1987-1995) TPI/LT1 (Tuned Port Injection)
News Archives Every Howell TBI kit features a remanufactured GM throttle body appropriate for the engine size for both engines with, or without ECM controlled ignition including all sensors, components, wiring harness, ECM and fuel pump.
Howell EFI Throttle Body Injection Kit The fuel pump which installs in the main fuel line, allows the bypass fuel to return to the tank. Harnesses include a diagnostic connector and diagnostic similar to what is found in a 1986-92 GM pickup. Howell EFI also offers custom kit conversions for vehicles where the universal kit is not designed to work.
Howell Throttle Body Fuel Injection (TBI) Installation ...Connect the fuel pump power lead to the wiring harness. 39. Attach the rest of the high pressure fuel line to the fuel pump, run it up the firewall, over the engine and attach it to the fuel port on the Howell TBI on the driver side of your Jeep using hose clamps provided with the kit.
Howell Fuel Injection Conversion TBI Kit (Offroad) | Best ...Description: The Howell EFI kit converts 258 Jeep engines to Electronic Fuel Injection by adapting 4.3L GM V-6 components and in-line electric fuel pump. Throttle Body Injection adapts directly to the Jeeps 2 barrel carb inlet manifold. Most of the old emission plumbing is eliminated making for a cleaner and easier to maintain engine.
Painless GM Fuel Injection Wiring Harnesses | JEGSPainless Performance GM Fuel Injection Wiring Harnesses make a tough job easy and they are designed directly fit the factory engine control unit. All harness kits include TXL high-temperature, color-coded and labeled wire with straightforward instructions for easy installation. Painless Fuel Injection Harnesses are 100 percent quality-tested on ...
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