Official Whipple/KB/Eaton HP/TQ/mods thread:

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Originally Posted by hotford

maybe go to a 6 lb lower with a larger blower pulley to help that belt from slipping, heck any belt you use making 29 psi is gonna have a hard time holding it with a 2.75, bigger pulley on the blower would help.
BTW whats your IAT at with that base compression and that boost level.

Arent aftermarket uncaged lowers considered a no-no with a blower that size?