454 TBI for 350

Shannen Durphey shannen at grolen.com
Sat Mar 27 00:44:40 GMT 1999


Bruce Plecan wrote:
> 
> -----Original Message-----
> From: David J Kennedy <dkennedy at student.umass.edu>
> To: diy_efi at esl.eng.ohio-state.edu <diy_efi at esl.eng.ohio-state.edu>
> Date: Friday, March 26, 1999 12:52 PM
> Subject: Re: 454 TBI for 350
> 
> I'm assuming this is a truck application:
> The give away BBC to SBC TBs is the BBC has 2" butterflies, and the SBC have
> 1.8"s.
> Some variances in connetors for TPS.  Large and not so large injectors, for
> BBC Early bigger.
> MAP, CTS, all the same. 87-91 all were 747s,
> Bruce

Some 454 pickups this vintage used the 748 ecm.
Shannen


> 
> I was wondering the opposite, I have a TBI 350 (1989) and would someday
> like to step up to the 454. What I want to know is what can I keep of my
> current TBI set up. Will I just need the 454 throttle body? It'd be great
> if I could keep all my sensors/ecm and just move them to their new homes
> on a big block.
> I'd offer a trade, but I am not ready for that project yet- I don't
> think:)
> David Kennedy




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