Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 1977 Chevy K20: Engine Suffers from Hesitation/Power Loss When In Drive
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Old 02-22-2012, 09:32 AM
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Quote:
Originally Posted by lt1silverhawk
The truck doesn't have a heat riser valve. And yes, the choke plate does seem like it moves back towards the closed position a few times. Should I try a new choke?
Disconnect the choke and see how it runs. Without a heat riser that style choke will not work well. The heat riser forces some of the exhaust back through the manifold to warm it up. Using the wrong intake gaskets can also cause issues.
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