Performance Motor Break-In Procedure?

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#1 (permalink)

10-06-2011, 08:37 AM

grybrd123

CC Member

Join Date: Feb 2010

Cobra Make, Engine: N/A

Posts: 295

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Break in mileage

That's interesting. For my Roush 427SRX, I was told explicitly by Roush (not the dealer or installer) to use Valvoline 10W-30 racing for 3000 miles and then I could use synthetic if I wished.

grybrd123

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