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Re: 440 backfires
[Re: 420SIX]
#2973753
10/12/21 11:26 PM
10/12/21 11:26 PM
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Joined: Oct 2006
Posts: 1,264 New York, USA
Chargerfan68
pro stock
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pro stock
Joined: Oct 2006
Posts: 1,264
New York, USA
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I’ve had backfire on exh side only….turned out to be broken valve spring. But, you have both int and ex backfiring.
1.50 60Ft. , 10.75@ 127MPH Hauling 3900 LBS.
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Re: 440 backfires
[Re: 420SIX]
#2973810
10/13/21 08:47 AM
10/13/21 08:47 AM
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Joined: Aug 2005
Posts: 1,383 Az
69hemibeep
pro stock
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pro stock
Joined: Aug 2005
Posts: 1,383
Az
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Friend just went through this and found a bad plug wire!
1969 Hemi Roadrunner 2nd owner
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