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200-R4 preparation


A. G. Olphart

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Scotties success with the 200-R4 and the need for an OD tranny at highway speeds led me to acquire a core to build up from my local Pick and Pull. It's out of an 87 Pontiac station wagon with some sort of small V8 (fits all case), so I figured it might be stronger from the factory than some were. This seems to have been an unjustified assuption. More web research indicates that Scotties tranny & valve body is unique, and only the BRF, CZF, KZF and OZ varieties are worth messing with (they are the models menitoned as working with an aftermarket shift kit).

 

The big question: What do I do to and is it possible to make my KCF version live behind a 400-450 horse smallblock. I would like to retain a manually switched locking converter for highway use. I kmow firm shifts are needed for longevity, but don't need a shock load that shears stub axles.

 

Related question? Anyone know of a good aftermarket valve body?

 

Thanks guys- AG

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