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Looking specifically at the supercharger, sizing the pulley appropriately is your best bet. When I had the GTM Twin SC kit, those superchargers had plenty of room to spin higher.
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02-26-2015, 08:50 AM
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#17 (permalink) |
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A True Z Fanatic
 
Join Date: Oct 2011
Location: Tampa
Posts: 4,142
Drives: 13' Magma Red Nismo
Rep Power: 7336   |
Looking specifically at the supercharger, sizing the pulley appropriately is your best bet. When I had the GTM Twin SC kit, those superchargers had plenty of room to spin higher. I was on the 92mm pulley, the lowest was 84mm, and the max impeller speed is 100,000rpm. If you are spinning too fast, you can always reduce the crank pulley size.
If you take engine rpm x crank diameter x supercharger ratio divided by the supercharger pulley diameter, this will tell you the max impeller speed. Example: max impeller speed for specs below are 95931rpm. 7500rpm engine 124mm crank pulley 1:9.49 crank ratio 92mm SC pulley
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