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Old 09-20-2006, 06:20 PM   #17
IROCdan330
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i think heads are a big issue...not necessarily block...

i say do a compression test on at least 1 accessible cylinder just to see what kind of numbers it will show. for all you know youre running like 8:1 and you do have a smogger. or its one of those goodwrench truck engines...

i also say plug the vacuum lines and tune the carb.
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87 iroc with the usual go fast stuff
heavier than your half ton.
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