Mechanics

CHEVY VAPOR LOCKING

1975 Chevrolet Silverado

Engine Performance problem
1975 Chevy Silverado V8 Four Wheel Drive 200000 miles

i have a 1975 3/4 ton chevy scottsdale. And my truck is idleing at six hundred rpms, and baogs down when I give it gas driving at about 45 and 2500 rpms. It just started cutting out fully dead. Its been really warm where I live. What is vapor locking and what would cause it.
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Hillbilly bruns
August 26, 2010.



Check the carb's accelerator pump and power valve, fuel pressure and ignition timing also the EGR valve

Rasmataz
Aug 26, 2010.


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