Classy
Well-Known Member
Hello!
So, I am trying to calculate pulley size for a custom TVS setup I am making for my Miata (I know I know) and I figured y’all would be a great resource to help fill in the gaps.
Some background, 2.5 liter with a M62 (2.6 pulley) making about 325 whp on 93 and about 350 whp on E85. I am making 9 PSI at the top of 3rd gear. I know that seems low, but I have spent a lot of time working on efficiency. My question is about trying to calculate pulley size needed to keep my car under 400 whp and I don’t trust boost calculators. The supercharger I am cutting up is from an Audi Q7 with a 3.0 V6 and the pulley on it is TINY (and 8 rib)
please help me figure this out so I can tune it easier and not blow my car to pieces
So, I am trying to calculate pulley size for a custom TVS setup I am making for my Miata (I know I know) and I figured y’all would be a great resource to help fill in the gaps.
Some background, 2.5 liter with a M62 (2.6 pulley) making about 325 whp on 93 and about 350 whp on E85. I am making 9 PSI at the top of 3rd gear. I know that seems low, but I have spent a lot of time working on efficiency. My question is about trying to calculate pulley size needed to keep my car under 400 whp and I don’t trust boost calculators. The supercharger I am cutting up is from an Audi Q7 with a 3.0 V6 and the pulley on it is TINY (and 8 rib)
please help me figure this out so I can tune it easier and not blow my car to pieces
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