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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ

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Old 01-19-2022, 05:49 PM   #1
demasrv
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New short block, should I use break-in oil?

I'll have my car started up for the first time with a new short block this weekend. I've done the work myself, but I can't decided if I need to use break-in oil for the first ~100 miles before I go to the usual 0w-20. Normally I'd just follow the manual, but given I'm doing the new (OEM) short block myself there's no factory testing or anything done. Also the IAG short blocks have a break-in procedure that requires break-in oil.


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Old 01-19-2022, 06:32 PM   #2
TommyW
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I have IAG and yes break in oil is the best for a new engine. I believe I used the Motul. Changed at 50, 500 and at 1,500 went to non break in
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