| [GMCnet] GM TBI parts help [message #80364] |
Mon, 12 April 2010 18:27  |
KB
Messages: 1262
Registered: September 2009
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Well, looks like I'm going to use stock GM TBI on our beast. I found a guy selling
a reasonably complete tbi, harness, sensors, etc, from a 1989 454 for less
than I could get it from pick-n-pull.
I'll need a bunch of other stuff to go with it though. I know folks here have gone
through this, but I'm having real trouble finding part numbers.
For the tbi adapter plate, would this work?
http://www.jegs.com/i/Trans+Dapt/969/2207/10002/-1
Description is: Trans Dapt 969-2207 Quadrajet 4bbl to Chevy Big Block TBI, rear mount
Any suggestions for fuel pumps? I'm guessing I'll need up to around 20psi, externally mounted.
Should I just find an external pump from a late 80's ford truck? Or are those higher pressure
than needed here?
And then there's the prom. Can I just start with the 454 chips, or should I be looking for a custom 455 solution?
I'd ask this in the GMC EFI forum, but it seems too newbie compared to the intricacies of EBL tweaking.
Thanks in advance for any pointers.
Karen
1973 23' Patience Tester
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Karen
1975 26'
San Jose, CA
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