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mason252 08-28-2008 07:10:22 75.180.229.98 30267 Report to Moderator	My 86 chevy pu 350v8 starts to buck and cut out when I accelerate to to 40mph. It always happens when my vacuum gage drops to 10 in. Out of gear, I can race the engine all day long, it just runs and idles great, with high vacuum. I have replaced the wires, coil, cap,rotor. There is fuel in the carb when it stalls. What could be causing this, I am ready to scrap a really good truck. [Reply]  [Send Email]
Bob 08-28-2008 07:19:57 69.178.228.68 30268 Report to Moderator	Re: 86 chevy stall in reply to mason252, 08-28-2008 07:10:22   Sounds like a clogged fuel filter or other fuel flow problem.   [Reply]  [No Email]
Bob 08-28-2008 09:10:40 69.178.228.68 30270 Report to Moderator	Another thought... in reply to Bob, 08-28-2008 07:19:57   If it has a distributor with a vacuum advance "pod" on it, the wires from the distributor's internal pickup coil to the ignition module my be broken or shorting, and when the vacuum advance moves them, they fail.   [Reply]  [No Email]
mason252 08-28-2008 09:26:19 75.180.229.98 30271 Report to Moderator	Re: Another thought... in reply to Bob, 08-28-2008 09:10:40   Good thought, Bob, I'm checking that one out pronto. Ive got 5psi coming out of the fuel pump, but sometimes, I have to go out and rap on top of the distributor to get it to fire. I have another 86 chevy I do the same thing to. Its weird.   [Reply]  [No Email]