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This is a discussion on heads? within the Internal Engine forums, part of the LSx Technical Help Section category; in general how much will aftermarket heads add?...
11-08-2006, 07:34 AM #1
in general how much will aftermarket heads add?
11-08-2006, 05:39 PM #2
20-60 hp all depends on weather your replacing a performance casted head or a regular passenger car head!!Don't be afraid of the bottle!!! Be afraid of your tune!!!
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