Quote:
Originally Posted by O&G
Ron Bergenholtz doesn't guess, he is building the entire setup. It will be running on E85 and has some custom pulley and charger mods as well. Like them on FB and stay tuned!
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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.