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Discussion Starter · #1 ·
I just took off all my exhaust because I was going to go to long tube headers but I decided to go back to shortys so when I put all my exhaust back on, it sounds different and it feels like low end lost a lot of power, I also changed spark plugs and they're gapped to .54 What could be wrong?
 

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You didn't crimp a pipe or break an O2 sensor did you?
 

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you should of gained low end power....i gap my plugs at .45 on my 5.0 carb. motors.
 

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ya should be around .45 not .54 mine is .43
 

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.054 is the stock reading, you can try other gap settings and see if that helps.
 

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Discussion Starter · #6 ·
ok i will try that and post up the results.
 
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