i just bought a d1sc procharger and the guy who had it before me said it was pushing 20-22 psi which is to high for me for a daily driver. So i bought a 3.5 pulley to brin it dow to about 14-15 psi now the belt it can with for the 2.9 pulley is a Napa Microv 081074 say 25 on top don't know how many inches but now i went to a 3.5 inch pulley what size belt do i need.
I'd say that's a 107". If you run a piece of wire around your pulleys, (w/tensioner cranked) and measure the length, it should be an inch or so bigger?
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Tropic Green Y2K GT
P-1SC, MM Stuff (393rwhp/390rwtq)