Pulley sizes
general rule is you gain about 5hp for a 1/10th drop in pulley size. .1" is worth 1psi. of course this generality assumes the engine isnt heat soaked and your fuel system can support the extra boost.
most people put a 2.9" relatively safely on a stage 2. your current stage 2 pulley is 3.06"
most people put a 2.9" relatively safely on a stage 2. your current stage 2 pulley is 3.06"
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patooyee
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Oct 1, 2015 01:07 PM



