dies when vacuum plugged
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Joined: Sep 2011
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dies when vacuum plugged
after cleaning carb and replacing exhaust manifold (because of other issues), my 1969 f250 with carter carb will not stay running with the transmission vacuum hose hooked up to the vacuum port on the carb. if i put my finger on the port, it also dies. before having fixed the other issues, this hose was hooked up and ran fine. the guy at napa says that it should run better with my finger closing the port, not worse. can't figure it out. any thoughts? thanks.
Cargo Master
Joined: Jul 2003
Posts: 2,724
Likes: 20
From: Four Oaks, NC
after cleaning carb and replacing exhaust manifold (because of other issues), my 1969 f250 with carter carb will not stay running with the transmission vacuum hose hooked up to the vacuum port on the carb. if i put my finger on the port, it also dies. before having fixed the other issues, this hose was hooked up and ran fine. the guy at napa says that it should run better with my finger closing the port, not worse. can't figure it out. any thoughts? thanks.
Laughing Gas
Joined: Jul 2003
Posts: 884
Likes: 13
From: Bassett Virginia
I did have my transmission vacuum hose hooked to the carb, but now I put it straight to the intake vacuum port. On my truck I found that when it was hooked up to the carb I would get a bad hesitation while at low speeds and then giving it the gas..........it would act like it needed to drop down to another lower gear, then all the sudden it would pick up and take off. Hooking it to the intake vacuum port solved that completely and it shifts alot better. My truck also has a mild cam and power brakes.
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samtye
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Feb 5, 2008 08:49 PM
