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Old 01-08-2026, 10:37 AM   #4
SOCAL.M6.ZLE
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Drives: 2022 M6 ZL1 1LE
Join Date: Jan 2022
Location: San Diego CA
Posts: 2,055
Quote:
Originally Posted by cdb95z28 View Post
The Mishi hoses are not needed. OE hoses last forever nowadays. Maybe the Mishi coolers are more robust than the OE ones, so that might be a plus. Definitely vacuum bleed your system. Myself and a few friends have had air pockets in these complex systems after getting into them. A regular passive fill was not enough and it ended up ruining our track days.
I agree, if your temps were fine before, I would just replace with OEM. The ZL1's benefit from THESE CSF versions when upgrading to the larger fittings and hoses, but I don't think they would be worth much on a stock LT1.
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