Carburetor
Feb 4, 2018 | 08:15 PM
Thread Starter
6th Gear
Joined: Oct 2013
Posts: 6
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From: Panama City FL
[Solved] Carburetor
What would cause a motor to rev higher when the choke opens ??
Last edited by KiLLerDeathX; Feb 5, 2018 at 03:24 PM .
Feb 4, 2018 | 08:39 PM
Burning Brakes
Joined: Sep 2009
Posts: 1,124
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From: Western New York
Year? Engine? Carburetor? Information needed.
Feb 4, 2018 | 08:49 PM
Thread Starter
6th Gear
Joined: Oct 2013
Posts: 6
Likes: 0
From: Panama City FL
350 Chevy 74 750 Holley stroked motor 383
Feb 4, 2018 | 08:54 PM
Thread Starter
6th Gear
Joined: Oct 2013
Posts: 6
Likes: 0
From: Panama City FL
Quote:
Originally Posted by
Duane4238
Year? Engine? Carburetor? Information needed.
1974 stroker 350 , 383, Holley 850 I think either 780 or 850
Last edited by KiLLerDeathX; Feb 4, 2018 at 08:54 PM .
Feb 4, 2018 | 09:08 PM
Team Owner
Joined: Jan 2007
Posts: 53,648
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From: Southern Cal Ca
St. Jude Donor '22
barring a broken idle cam system
Last edited by calwldlife; Feb 4, 2018 at 09:14 PM .
Feb 4, 2018 | 09:21 PM
Thread Starter
6th Gear
Joined: Oct 2013
Posts: 6
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From: Panama City FL
Thanks for the info I don’t know how to check for either of those problems
Feb 5, 2018 | 12:11 AM
Team Owner
Joined: Jan 2006
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From: Crossville TN
Most likely cause is that the carb is running way rich at idle. When it opens, the A/F mixture is 'better', so it picks up RPM.
Feb 5, 2018 | 12:42 AM
Team Owner
Joined: Jan 2007
Posts: 53,648
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From: Southern Cal Ca
St. Jude Donor '22
Quote:
Originally Posted by
KiLLerDeathX
What would cause a motor to rev higher when the choke opens ??
i assumed this was a new problem.
is this a new motor and are you tuning?
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Feb 5, 2018 | 02:15 PM
Race Director
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Feb 5, 2018 | 08:03 PM
Le Mans Master
Joined: Dec 2006
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Quote:
Originally Posted by
KiLLerDeathX
What would cause a motor to rev higher when the choke opens ??
Because it is getting more air.
[Solved] Carburetor
