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Re: Electronic QuadraJet and factory Electronic Spark Control [message #334482 is a reply to message #334470]

Tue, 03 July 2018 08:49

BoboBob13

Messages: 49
Registered: June 2018
Location: Las Vegas

Karma:

Member

2K

My 4M4ED only has mixture adjustment screws on the primary side-never seen or heard of mixture screws on secondary side.

The stock carbs on the GMC MH were 750 CFM with a 1 3/32 inch primary bore.
The carb I'm setting up is an 800CFM with 1 7/32 inch primary bore.
Why am I using this carb? It's what they put on the motor when they rebuilt it.

Waiting for some new primary rods to go with the jet set I bought along with a set of
drill bits from 0.3 to 3.0 mm so I can do some modifications. Using Cliff Ruggles First
Recipe as a start point and installing a AEM wide band Air/Fuel Ratio gauge so I can see where
I'm at and fine tune things.

Thanks for the wiring diagram-not sure if I will ever hook it up. As of now I don't have the solenoid
that goes in the carb. The temp switch is the ground and 39 is power but I don't see where they are
pulling power from. Would be easy enough to hook it up if there is a cold drivability problem.

Bob B

Bob Broadwell 75 Eleganza II-Rebuilt performance engine, Manny trans, Manny 1-ton front end, 73 23ft with a side bath getting some updates-both living in Las Vegas

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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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