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Old 11-14-2012, 08:18 AM   #98
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Originally Posted by SrDudley View Post
You do not want to put automatic transmission fluid into your manual gearbox that's what gear oil is for. Completely different....
Ford Racing Performance (formerly SVT) specifically recommends Mercon V ATF according to this post:
The Getrag box is different from the MTX-75 and calls for Mercon V ATF. Out of consusion, I called Ford Racing Performance (formely SVT) for guidance. They confirmed Mercon V ATF.
And the SVT user manual supplement also recommends ATF according to this:

If I were going by the book, I'd use Mercon V ATF. If I wanted a bit more performance, I'd go with Mobil 1 Synthetic ATF. If I wanted even more performance, but with higher cost, I'd use the Royal Purple Sychromesh. (I believe that's what the previous owner of my car used when he drained/filled it 20k miles ago.)
Mine: 2004 Subaru WRX Wagon: 116k, WRB
Gone: 2002 SVT, #1654

Hers: 2012 Focus Ti Sedan: 67k, SGM, Manual
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