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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Dec 2010 Posts: 62 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 62 | volume and vacume test was good at carb. i still must test vacume at manifold wipper outlet if gas tank is1/2 full it runs much better than tank full ,dosnt it aliminate timing and valve adjustment.then i will check cleaning carb. i will keep you posted i do not have ez acsess to inter net.thanks | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy oldchevyguy, when it acts up remove the fuel tank cap and see if you hear a rush of air into the tank. If you do, the vent in the cap has plugged, and it's time to replace the fuel tank cap, hope that helps. | | | | | Joined: Jan 2008 Posts: 4,961 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,961 | Trash in the main metering jet in your carb can cause the symptoms you describe. | | | | | Joined: Jan 2010 Posts: 378 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 378 | I went one day to buy a old Harley Davidson, shift on the side of the tank old. The bike looked great, but it would not stay running unless you had it almost on full choke. I decided not to buy it thinking there was major trouble somewhere. Well, as the luck goes I ran into the man that owned it later on. He told me that it had a bad vacuum leak at the carb. Did I buy it then? Nope, he already sold it. Boo-Hoo. Check REAL good for a vacuum leak. Somewhere. Good luck. | | |
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