headers going on 454's 330hp carb- anything need to be changed cams?
07-08-2010 | 06:22 PM
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headers going on 454's 330hp carb- anything need to be changed cams?
Found a good deal on some headers for my 454's but wondering if anything has to changed if I pick them up. Thanks. Also what type of sound and any hp difference will be seen.
