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      09-27-2021, 10:34 AM   #1
Second Lieutenant
heitzke's Avatar

Drives: '15 M4 base, '91 Miata
Join Date: Feb 2021
Location: Nashville

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Clutch break-in period (twin disc)

Currently breaking in my new Spec twin disc (unplanned addition to the car after my factory unit killed itself) and i'm curious how others are approaching or have approached a break-in period.

Spec recommends 500mi with mostly stop/go city driving. The mechanic I talked to after install suggested ~250mi of the same driving situation.

500mi of city driving is a LOT, but I also don't want to risk harming the longevity of this clutch at all. I'm at 300mi on the clutch now, with at least half being stop/go lower speed driving.

All that to say, i'm tired of babying this thing around town shifting at 2500-3k out of boost, but someone convince me that i'm doing the right thing here. Or tell me otherwise lol.
Pure turbo M4 | NA Miata
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