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Re: Caddy 500 Fuel Injection / Ignition Systems [message #369798 is a reply to message #369795] Wed, 25 May 2022 06:33 Go to previous messageGo to previous message
RF_Burns is currently offline  RF_Burns   Canada
Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada
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Senior Member
I second Jon's suggestion of the Rochester Throttle body from a 454 and the EBL engine computer (ECM).

All the sensors are GM and the ECM is also GM, but with an updated microprocessor board. Read about it here:
dynamicefi.com

This is an excellent document on the GM throttle body EFI system. It's a must-read for anyone with EFI.
http://www.gmceast.com/technical/Swartzendruber_Generic_TBI_SlidesNotes.pdf

Ask Ken Henderson to join the GMC EFI google group. There is not a lot of activity on it because everyone has their systems working well, But any questions are quickly answered. There is also downloadable information there.

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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