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TBI conversion on 1986 Chevy 350 truck #815907 Fri Jan 13 2012 03:40 AM
Joined: Jan 2009
Posts: 159
bigdog58 Offline OP
Shop Shark
Hello and happy New Year!!

Been a while since I have been here but have a question for ya'all.

Thinking of converting my 1986 Carb to TBI. Wondering if anyone had some really good instructions for the installation including wiring and fuel feed.

Thanks, Steve in I-DA-HO

Re: TBI conversion on 1986 Chevy 350 truck [Re: bigdog58] #816098 Fri Jan 13 2012 09:34 PM
Joined: Nov 2005
Posts: 5,519
3B Offline
Master Gabster
Hy bigdog58, this is really quite an involved little project! Many parts to purchase and install, computer, wiring harness, intake manifold and throttle body, knock sensor, O2 sensor, fuel pump, fuel lines, fuel filter, and some stuff I've probably forgotten to mention. What do you hope to gain by this modification? If you really want fuel injection, I would purchase a newer truck with it already there, or look at some of the aftermarket systems, hope that helps

Re: TBI conversion on 1986 Chevy 350 truck [Re: 3B] #816147 Sat Jan 14 2012 01:07 AM
Joined: Nov 2002
Posts: 1,007
LGriffin Offline
Shop Shark
Here is a link to Jags that Run;

They have been doing FI conversion for more than a few years. I haven't done the conversion, but I have one of their conversion manuals. The manual seems to be pretty good, covers what you need to get, work arounds for some of the ECM inputs, and more. I bought the manual about 15 years ago ($20) and looked at it recently.


I don't own a vehicle that isn't old enough to drink.

Moderated by  Woogeroo 

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