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JJ 911SC JJ 911SC is offline
83 911 Production Cab #10
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Join Date: Jun 2009
Location: Ottawa, Ontario, Canada
Posts: 10,369
Originally Posted by Tippy View Post
It's a little work, but measure your drive pulley on the blower to the crank pulley. Find that ratio.

Then multiply that to determine rotor speed. Go the blowers website and see what boost level the blower puts out on your displacement engine.

It'll be a ballpark, not definitive until you install and get an accurate reading.
Its ~ 2:1 and the SC is a 1.5 Liter model.
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83 911 Production Cab #10, Slightly Modified: Slanted, 3.2, PMO EFI, TECgt, CE 911 CAM Sync / Pulley / Wires, SSI, Dansk Sport 2/2, 17" Euromeister, CKO GT3 Seats, Going SOK Super Charger
Old 06-25-2014, 09:49 AM
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