| [GMCnet] Warm air for the Q-jet [message #353592] |
Wed, 08 April 2020 12:25 |
glwgmc
Messages: 1014
Registered: June 2004
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Yet one more reason to ditch the Q-jet for a modern self learning EFI, John……
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
glwork@mac.com
http://jerrywork.com
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Message: 6
Date: Wed, 08 Apr 2020 09:08:08 -0600
From: John R. Lebetski
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Warm air for the Q-Jet...
Message-ID:
Content-Type: text/plain; charset="utf-8"
Going WOT you probably have more output with cold air as greater density. But going down the road you are about 15% open throttle do you don't need
more density as air/fuel is intentionally throttled. Warmer air is what the carb was calibrated to at factory. Cold air will put it slightly lean,
needing more throttle opening to get same output. More throttle opening for same specific output means worse economy.
--
John Lebetski
Woodstock, IL
77 Eleganza II
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Jerry & Sharon Work
78 Royale
Kerby, OR
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