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dyno numbers / upgrades done
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04-22-2012
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sammy
Join Date: Jun 2010
Location: Lone Pine, CA
Posts: 580
Re: dyno numbers / upgrades done
is your 91 a zr1 supernatural 475?i have a 92 supernatural 475 without the aero bodythat made 392 rwhp with the only mod being stainless works headers . totally stk it made 373 rwhp.
sammy
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