Zexel Torsen..Do you need additive????
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
No. The additive is required for posi clutches. Since there are no clutches in the Torsen diff, an additive isn't required.
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Joined: Sep 1999
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From: Manassas VA
Car: 04 GTO
Engine: LS1
Transmission: M12 T56
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