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Electronic QuadraJet and factory Electronic Spark Control [message #333679]

Tue, 19 June 2018 00:48

GMC2000

Messages: 193
Registered: March 2018
Location: Georgia

Karma:

Senior Member

what size is the original carburetor on the 455 and has anyone tried an electronic QuadraJet?

info about them here http://www.early3rdgen.com/forum/viewtopic.php?t=25 these were the carbs just prior to fuel injection that were sort of a hybrid carburetor/fuel injection that utilized an 02 sensor to modulate part throttle metering electronically on the fly.

I have been digging around the internet for exactly what applications were. so far Ive only seen mentions of them used on any big blocks and havnt been able to confirm this but it was widely used on the smallblocks in 1985 and 1986

reading more, it seems like it would be a really good system for the GMC that *should* bolt right onto the original intake manifold.

with and OEM ECU, HEI ESC distributor, wiring harness, and O2 sensor this should be able to work well on a GMC but Ive yet to find out what big block trucks had these if any.

the small block stuff is everywhere and its a 750 cfm spreadbore style carb. Ive also seen mention of Cadillac using it on the 500 but havnt dug into that deeper yet.

I had a truck that had ESC and a car that had the E.Q-jet and ESC and both of those were 100% reliable in the short time I owned them. drove great too!

anyone here familiar with or have an interest in this stuff? after reading the link, seems to me it would be a really neat upgrade, if possible (thats what Im trying to determine)

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[Message index]

		Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 19 June 2018 00:48
		Re: Electronic QuadraJet and factory Electronic Spark Control By: Chris Tyler on Tue, 19 June 2018 06:26
		Re: Electronic QuadraJet and factory Electronic Spark Control By: JohnL455 on Tue, 19 June 2018 07:22
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 19 June 2018 15:12
		Re: [GMCnet] Electronic QuadraJet and factory Electronic Spark Control By: James Hupy on Tue, 19 June 2018 15:58
		Re: [GMCnet] Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 19 June 2018 16:15
		Re: [GMCnet] Electronic QuadraJet and factory Electronic Spark Control By: lqqkatjon on Tue, 19 June 2018 16:27
		Re: [GMCnet] Electronic QuadraJet and factory Electronic Spark Control By: James Hupy on Tue, 19 June 2018 16:27
		Re: Electronic QuadraJet and factory Electronic Spark Control By: lqqkatjon on Tue, 19 June 2018 16:11
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 19 June 2018 18:00
		Re: Electronic QuadraJet and factory Electronic Spark Control By: Matt Colie on Tue, 19 June 2018 19:03
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 19 June 2018 19:59
		Re: Electronic QuadraJet and factory Electronic Spark Control By: mrgmc3 on Tue, 19 June 2018 22:04
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 19 June 2018 22:34
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Wed, 20 June 2018 10:44
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Wed, 20 June 2018 12:52
		Re: Electronic QuadraJet and factory Electronic Spark Control By: JohnL455 on Wed, 20 June 2018 20:47
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Thu, 21 June 2018 12:05
		Re: Electronic QuadraJet and factory Electronic Spark Control By: BoboBob13 on Sat, 30 June 2018 21:50
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Sat, 30 June 2018 23:03
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Sun, 01 July 2018 02:37
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Sun, 01 July 2018 08:03
		Re: Electronic QuadraJet and factory Electronic Spark Control By: BoboBob13 on Sun, 01 July 2018 15:28
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Sun, 01 July 2018 08:36
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Sun, 01 July 2018 09:50
		Re: [GMCnet] Electronic QuadraJet and factory Electronic Spark Control By: jimk on Sun, 01 July 2018 10:13
		Re: [GMCnet] Electronic QuadraJet and factory Electronic Spark Control By: BoboBob13 on Sun, 01 July 2018 15:18
		Re: [GMCnet] Electronic QuadraJet and factory Electronic Spark Control By: James Hupy on Sun, 01 July 2018 15:35
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Sun, 01 July 2018 13:55
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Sun, 01 July 2018 15:44
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Sun, 01 July 2018 16:21
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Sun, 01 July 2018 19:01
		Re: [GMCnet] Electronic QuadraJet and factory Electronic Spark Control By: jimk on Sun, 01 July 2018 19:16
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Sun, 01 July 2018 19:14
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Mon, 02 July 2018 07:20
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 03 July 2018 03:53
		Re: Electronic QuadraJet and factory Electronic Spark Control By: BoboBob13 on Tue, 03 July 2018 08:49
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Tue, 03 July 2018 07:32
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 03 July 2018 10:18
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Tue, 03 July 2018 13:29
		Re: Electronic QuadraJet and factory Electronic Spark Control By: GMC2000 on Tue, 03 July 2018 17:57
		Re: Electronic QuadraJet and factory Electronic Spark Control By: jhbridges on Tue, 03 July 2018 19:52

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