i need help with engine sounds.
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Junior User
Joined: Dec 2010
Posts: 54
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From: washington
i need help with engine sounds.
i have a 390 with a steel crank in my 68. it has straight pipes right now on the original exhaust manifolds. when im driving down the highway and doing about 40+, if i let off the throttle all the way or even about halfway. i hear loudish popping sounds. only wen i let off the throttle tho. can anyone tell me what might this be and if it is bad? i can record it and upload it for you guys if you need it.
thank you for your time.
thank you for your time.
Elder User
Joined: Oct 2011
Posts: 795
Likes: 0
i have a 390 with a steel crank in my 68. it has straight pipes right now on the original exhaust manifolds. when im driving down the highway and doing about 40+, if i let off the throttle all the way or even about halfway. i hear loudish popping sounds. only wen i let off the throttle tho. can anyone tell me what might this be and if it is bad? i can record it and upload it for you guys if you need it.
thank you for your time.
thank you for your time.
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