exhaust popping on deceleration
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- G-Sergeant
- Posts: 48
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exhaust popping on deceleration
My 52 m38a1 engine pops on deceleration especially if I down shift. This condition I vaguely recall from 57 chevy days was a timing or rich fuel mixture in exhaust.. Any help to refresh my memory or steer me is appreciated....Thanx Tony
SGT USMC 1967
1952 M38A1
1967 M416
1952 M38A1
1967 M416
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- Sergeant Major of the Gee
- Posts: 330
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Re: exhaust popping on deceleration
FWIW, my CJ2A was doing that. Cause was an exhaust leak. Check your exhaust manifold and even your muffler pipe connection to the exhaust manifold.
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- Sergeant Major of the Gee
- Posts: 254
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Re: exhaust popping on deceleration
My friend had the same problem....float level too high...after adjustment,no popping anymore.
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