Pre-exhaust backfires?
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Pre-exhaust backfires?
Just had some new work done on the exhaust ( replaced header gaskets and exhaust gaskets ), and it really is nice and quiet unlike the unmuffled sound I had last week.
The truck would occasionally backfire, especially when I was in 3rd, gave it gas and suddenly let off the pedal before replacing the gaskets.
Now with the work done, I get a muffled backfire sound just below the stick shift, mainly from 2nd gear on up. I don't hear it coming out the tailpipes... just a backfire in a can sound, not even loud enough to make anyone look.
Any ideas why it is doing this and how to get rid of it?
1979 F250, 302 with Holley carb. Dual exhuast system.
Thanks!
The truck would occasionally backfire, especially when I was in 3rd, gave it gas and suddenly let off the pedal before replacing the gaskets.
Now with the work done, I get a muffled backfire sound just below the stick shift, mainly from 2nd gear on up. I don't hear it coming out the tailpipes... just a backfire in a can sound, not even loud enough to make anyone look.
Any ideas why it is doing this and how to get rid of it?
1979 F250, 302 with Holley carb. Dual exhuast system.
Thanks!
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