Episode 769 – Interview Matt of Howell EFI
Matt Howell
Matt’s dad, Bill Howell started the company after working for GM. There is a great blog detailing Bill’s past experience that lead to the formation of the company on the website. Howell EFI now has 30+ years of EFI conversion experience and they are mostly known for Jeep EFI conversions. Most of their products are California Carb compliant, especially the Jeep products. https://howellefi.com/product-category/50-state-legal-produts/ While I don’t have a bio for Matt, note that Matt is a great person to talk to about what you should know before you buy and attempt an install of EFI/TBI. He said that the transplant business is huge right now. Howell EFI has continued to become a household product in the name of refurb shops, conversion kits, the backyard mechanic, anyone seeking efficiencies. From car rebuilds, to jeeps and off road, to powerboat performance, HOWELL EFI and harnesses not only provide custom-fitted design and harness layouts, but also customer service second to no one. Even more so, originating from an offshoot innovation forged from years of legendary history, development expertise and innovative design, Howell Engine Development is an ongoing salute to one of the pioneers of big block and performance design, immeasurable in the reach and ongoing innovations of automobile performance around the globe.
Howell wiring looms utilize better than original equipment wire. The individual connectors used are exactly the same as those used by the original manufacture to ensure perfect attachment to the assigned component each one labeled with white tags to make for trouble-free installation. Best of all, when ordering a Howell EFI conversion kit, everything is included. Case in point for the classic Jeep carb to EFI change out, the kit features components like a new Throttle Body and computer module specifically programmed by Howell to the requests of the consumer. It is literally turn key! All Howell TBI kits feature a remanufactured GM throttle body appropriate for the engine size, all sensors – MAP, coolant and oxygen, components, a stand-alone wiring harness available, ECM and fuel pump, clamps and one of three sized adapter plates. The Howell TBI kit also allows for custom calibration PROM for the engine and an ECM that installs under the dash, so no tuning is required. The kit utilizes the OBDI GM diagnostic capabilities for scanning codes. http://www.howellefi.com.
Example product page:
Part # CA/CJ258 JP1 Emission Legal Version CARB EO #D452
Includes all components plus a remanufactured 4.3L Chevrolet throttle body to convert a 2BBL CJ or Wrangler Jeep to EFI. Specify type and year of Jeep when ordering kit. Emission legal version CARB EO#D452. Many original emission controls are eliminated, which simplifies under hood area. ECM installs under dash. High pressure fuel pump must be installed in main fuel line from tank, and bypass fuel returned to the tank. Harness includes diagnostic connector, and diagnostic is similar to 1986-92 GM pickup truck.
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