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Old 08-12-2025, 12:03 PM   #481
SOCAL.M6.ZLE
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Drives: 2022 M6 ZL1 1LE
Join Date: Jan 2022
Location: San Diego CA
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Quote:
Originally Posted by cajunzl1 View Post
Socal, nice chart on the boost.

Did you have any comparison vs. the 2.5 upper pulley? my guess is 10 or 11lbs?
Hey buddy, I dont... I put a 2.4" pulley on when the blower was ported the first time around... I would assume a similar step down, as it was up.
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