pulley

I don't know the actual size but its bigger than the stock pulley on an 89-93 SC. A 5% is like a 10% on the late blowers, and a 89-93 pulley is like a 5% for you. A 10% pulley might be too much and you won't benefit from it.
 
94-95 pulley is 3.2750" dia.
89-93 pulley is 3.1350" dia.
5% pulley is 2.9350" dia.
10% pulley is 2.8300" dia.

drive ratios are:

94 up 2.59785:1
93 dn 2.71515:1
5% 2.89973:1
10% 3.03428:1

Theoretical boost levels are:

94 up 11.08psi
93 dn 12.24psi
5% 14.07psi
10% 15.40psi


Jeff
 
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