03-23-2015, 08:59 PM
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CC Member
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Join Date: Feb 2012
Location: Keller,
TX
Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq
Posts: 549
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Not Ranked
I called Tremec today. They said not to use the ATF - just use Synchromesh. They said there is no break in procedure. Just put in the fluid and drive. Change the fluid at 500 miles if I was concerned about it, or 30,000 miles if I'm not worried about it.
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