Easy one? Popping/ grumbling sound when letting off gas.
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Joined: Dec 2001
Posts: 209
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From: Chico, Ca
Car: 88 Formula 350
Engine: 357
Transmission: 700r4 Edge 2900 Stall
Easy one? Popping/ grumbling sound when letting off gas.
OK..this is probably an easy one..but whats that "popping / grumbling" sound when I let off the gas pedal after revving it up. Sounds like I'm running straight pipes or something and excess fuel is detonating in the exhaust????
Your help is always appreciated.
Your help is always appreciated.
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Joined: Jan 2005
Posts: 391
Likes: 0
From: Grand Rapids, Mi
Car: 1991 Z28
Engine: 357
Transmission: T-56 waiting to go in!
Axle/Gears: 3.73:1
im hearing the same sounds....but i am running straight piped open headers....what the hell is the popping grumbling noise??
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92camaroJoe
Tech / General Engine
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Aug 13, 2015 06:07 AM
