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Mod | | | Forums66 Topics128,174 Posts1,057,048 Members48,458 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Nov 2008 Posts: 117 'Bolter | | 'Bolter Joined: Nov 2008 Posts: 117 | Hello. Would anyone know what the min and maximum tolerance or clearance of the throttle shaft and the body should be. Thank you | | | | | Joined: Nov 2002 Posts: 2,767 Carburetion specialist | | Carburetion specialist Joined: Nov 2002 Posts: 2,767 | Original was 0.004~0.006.
An additional 0.003 is acceptable.
If the clearance doesn't exceed 0.009, you will be OK.
Jon.
Good carburetion is fuelish hot airThe most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes!The Carburetor Shop | | | | | Joined: Nov 2008 Posts: 117 'Bolter | | 'Bolter Joined: Nov 2008 Posts: 117 | Hello carbking thank you very much for the information. I needed to know that because I have just purchase a rebuilt carb from a "carb rebulder" and when I got it home and looking at it I noticed it seemed to have more play in the throttle shaft than the carb I was replacing. So I mounted it in my mill and measured the shaft movement with a dial indicator, the rebuilt had .012 and my original had .007. Now I have something to go to bat with. Kevin | | |
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