Re: [GMCnet] 16.5 to 1 lean burn cruise isn't a problem with the Howell/GM system. [message #324205 is a reply to message #324196] |
Fri, 22 September 2017 12:33 |
Justin Brady
Messages: 769 Registered: April 2015 Location: Bell Buckle, TN
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Kosier wrote on Fri, 22 September 2017 11:00Dick Balsley, who spent his whole career with GM, said that Gm calibrated
carbs for a 16.2 ratio. They liked 16.5, but production tolerances
kept them at 16.2. The Q-Jet on my Cadillac engine has been running at that
figure for 10+ years. Call it "dumb luck" if you want>
Gary Kosier
77PB w/500Cad
Newark, Ohio
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From: "Bob Dunahugh"
Sent: Thursday, September 21, 2017 10:37 PM
To:
Subject: [GMCnet] 16.5 to 1 lean burn cruise isn't a problem with the
Howell/GM system.
> Randy Van Winkle is extremely knowledgeable on that topic. And has data
> that shows it's fine with our 403, and 455. You have to remember that this
> system controls the ignition timing. Bob Dunahugh
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Do you have an afr gauge installed? I've never seen a carb run that lean Intentionally even at cruise.
Justin Brady
http://www.thegmcrv.com/
1976 Palm Beach 455
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