A buddy of mine recently pulled the stock 1.6 ratio rockers from his 91 Notch, and installed a set of full roller 1.7 ratio rockers. According to the G-tech, he gained 3 tenths not too mention the fact that the exhaust sound changed dramatically too! And I swear (for all you skeptics), that all this guy did was rockers! He didn't even bother changing the upper intake gasket! This mod got his stripped-down, no-accessory car down to 13.1 sec. 1/4 mile! Vehicle weighs 2950 w/driver...
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ONLY 325 RWHP??? DAMN...
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