Vq35hr 20psi stillen blower

1slow370

Then they changed a lot because the v3 charger stillen uses can't come close to 20 psi on an hr/vhr. Vortech even rates the unit at max boost 17psi. the si is rated at 22psi max but those are outlet pressures so it will be a couple psi lower at the manifold. They are going to have to spin it into the "danger zone" if they want to hit that pressure. the unit has a 52000rpm redline so no more than a 6.9:1 step up without risking ripping the impeller apart.

the charger is already geared 3.6 to 1 so max input pulley speed is 14,444rpm or a little less than 2:1 from a crank speed of 7500rpm.

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