Author Archives: howellefi

Ramcharger

Howell TBI Conversion Kits Now Available for 1974-1993 Dodge Ramcharger and Plymouth Trailduster SUV

More consistent tune and improved cold starting for Gen I and II vehicles Marine City, MI (September 14, 2022) – Howell EFI, recognized as a…

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IH Scout

Howell EFI Introduces TBI Conversion Kits for Classic International Harvester Scout Trucks

Howell EFI offers eight different Throttle Body Injection (TBI) kits that can be used to convert classic International Harvester Scout trucks to TBI. Whether driven off-road, used for show or a daily driver, Howell’s TBI conversion kits are designed to convert classic Scouts (Scout 80, Scout 800, 810, Scout II) quickly and efficiently to fuel injection improving cold starting, drivability and fuel mileage. And for off-roaders, your Scout will be less likely to be fuel starved when taking the trail at an angle. 

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Classic Ford Bronco

Howell EFI I-6 and V8 Ford TBI Conversion Kits Improve Driveability and Fuel Mileage for Classic Ford Broncos

Marine City, MI (April 7, 2022) – Howell EFI is known widely in the industry for their easy to install GM-based EFI and TBI kits…

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TBI Carburetor Adaptor Tech Tips

 Before ordering your Howell TBI conversion kit, there are a few important things to check on your vehicle to ensure proper installation and function.  Inlet…

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Howell EFI Now Offers LT1/LT4 and EcoTec3 Harnesses for Classic Corvettes, Muscle Cars and Trucks

Marine City, MI… October 7, 2021 – Howell EFI, a leader in EFI conversion kits (GM/TPI/TBI) and wiring harnesses for direct injection swaps, now offers plug and play LT1/LT4 and EcoTec3 wiring…

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Bill Howell Grand Marc Car

Howell Engine Developments, Inc. Reports the Passing of Founder and Automotive Industry Legend Billy Haegen Howell

Marine City, MI… August 26, 2021 – Automotive pioneer and industry legend, Billy “Bill” Haegen Howell, passed away on July 22, 2021, after a battle…

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Jack Hahn & Bill Howell

Bill Howell History Part 1

When necessity drives innovation, many good things can come from those with the ambition to create, design, produce and persevere their way into success.

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Bill Howell Mike Marilyn Miller

Bill Howell History Part 7

Bill with friends, Mike Miller & Marilyn Bill recalls of his early retirement, in 1989 TV personality, Don Johnson had an ocean-racing catamaran with 4…

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Bill Howell Grand Marc Car

Bill Howell History Part 6

Part VII Bill in Grand Marc Car Howell followed the 1985 ASA series with Trickle and Miller. He did some development with Fischer engines for…

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Butch Miller

Bill Howell History Part 5

The introduction of a 229 CID Chevy V-6 in Chevelle and Monte Carlo, and a 231 CID V-6 became Buick’s only production built engine in…

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Bill & Matt Howell Mark Donohue

Bill Howell History Part 4

Sebring 1968, Bill & son, Matt with Mark Donahue In 1968, Bill followed Trans-Am and Can-Am races.  “We sold a number of pre-production aluminum 427…

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Bill Howell History Part 3

Bill continued basic development and routine testing of the MK II components for their performance and durability as provided by the various designers at Chevy. …

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