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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: psyborgg on July 27, 2019, 09:57:39 pm

Title: TBI in 86
Post by: psyborgg on July 27, 2019, 09:57:39 pm

Is there any information about installation and the wiring process of the TBI 454/400 into an 86 carb truck ? Has anyone had success with kits such as painless or others? Any help will be appreciated.

Title: Re: TBI in 86
Post by: Irish_Alley on August 01, 2019, 10:45:06 pm

the motor should be on a separate wiring harness that goes into the passengers side firewall for the most part. i would try to get a donor and use that harness, would be much easier and cheaper than painless.

Title: Re: TBI in 86
Post by: Stewart G Griffin on August 03, 2019, 11:57:39 am

Might want to check out:
https://howellefi.com/

Seems like the easiest/fastest (although not cheapest) way to go.

i'm pretty sure Bill Howell worked at GM on the original TBI system so.....