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Join Date: Oct 2013
Posts: 4
944 9M torsen diff?

Hi All

Have a diff marked "9M" in my 944 S2 race car. we are not sure where it comes from or who made it (other than possibly ninemeister??) and can't find any info on it. It appears to lock under deceleration which supposedly a torsen type doesn't.

Any knowledge out there?

It has stopped working once when the crown wheel bolts were loose, and again just lately when the actual diff through-bolts worked loose. We have fixed that now but the diff will not lock up now and just spins the inside wheel out of corners.


Old 11-26-2017, 03:27 PM
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Location: Frederick, MD
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I would open the differential and inspect the worm gears. If it does not lock at all under acceleration something must have broken inside of it.

Dimi P
Flying Horse Motorsport LLC
flyinghorsemotorsport@gmail.com
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Dimi Paralanov
flyinghorsemotorsport@gmail.com

1986 Porsche 944 3.0L 16V Conversion - on track duty!
1989 Porsche 944 $2 - for fun!
Old 11-26-2017, 03:31 PM
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That looks like a Ninemeister logo

https://www.ninemeister.com/
Old 12-08-2017, 12:06 AM
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