New Carb running bad - The 1947 - Present Chevrolet & GMC Truck Message Board Network

snafu1 · 08-18-2014, 07:06 PM

Hello, I need some help with my 1960 Truck. It has a 235 with 3,000 miles on a rebuild. Just a few weeks ago the 1bbl Carb started acting up, like it was not getting gas an engine would die on me. Rebuilt the carb and still was giving me problems, so I got a rebuilt one from Summit. This new one runs like crap, unless the choke is half way closed, then it runs great! I checked all adjustments. Is this a vacuum leak? Carb is messed up? I also found the second exhaust port gasket is leaking on the motor. Is there a really good way to seal this? Better gaskets? Why would it leak so soon with a new motor? Any help would be great.... I am just not sure what else to do?
Thanks,
snafu1

08-18-2014, 07:06 PM	#1
snafu1 Registered User Join Date: Apr 2014 Location: Mountain View, California Posts: 39	New Carb running bad Hello, I need some help with my 1960 Truck. It has a 235 with 3,000 miles on a rebuild. Just a few weeks ago the 1bbl Carb started acting up, like it was not getting gas an engine would die on me. Rebuilt the carb and still was giving me problems, so I got a rebuilt one from Summit. This new one runs like crap, unless the choke is half way closed, then it runs great! I checked all adjustments. Is this a vacuum leak? Carb is messed up? I also found the second exhaust port gasket is leaking on the motor. Is there a really good way to seal this? Better gaskets? Why would it leak so soon with a new motor? Any help would be great.... I am just not sure what else to do? Thanks, snafu1



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