Carburetor
Feb 4, 2018 | 08:15 PM
Thread Starter
6th Gear
Joined: Oct 2013
Posts: 6
Likes: 0
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
Likes: 140
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
Likes: 878
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
Likes: 0
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
Posts: 37,637
Likes: 3,112
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
Likes: 878
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?
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2
2027 Corvette vs The World: Every Model vs Closest Competitor
10 Most Common Corvette Problems of the Last 20 Years!
5 MOST and 5 LEAST Popular Corvette Model Years in History!
2027 Corvette Buyer's Guide: Everything You Need to Know!
10 Things C8 Corvette Owners Hate (But Won't Tell You)
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!
Feb 5, 2018 | 02:15 PM
Race Director
Joined: May 2006
Posts: 18,597
Likes: 2,540
Feb 5, 2018 | 08:03 PM
Le Mans Master
Joined: Dec 2006
Posts: 8,837
Likes: 1,027
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
