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Reply to "Is 450 HP and/or 450 torque the limit for the zf?"

The Quaife ZFQ transaxle is dimensionally the same as the ZF and uses Porsche internals. It was developed as an alternative when the replica GT40 market took off and people were waiting 18 months to get a ZF. The problem is despite the literature, Quaife has never produced it in the upside down (to GT40) configuration required for the Pantera. There are also a number of documented failures in racing applications, so I struggle to believe it is any better then the ZF.

IMO you are better getting a ZF and should be able to obtain a documented rebuilt one for that $12K, considerably less for one with unknown history or sat in a crate for 30 years.

Julian

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