Protrans pro brake 7.0 index

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As John mentioned the aftermarket support for the GM transmissions is much greater, not to mention converters.
Agreed. Everything Gm is better supported. That does not mean stronger, but that is a matter of comparing apples to apples.
 
That's a pro trans 727 with 904 guts. Looks just like a friend of mines.

yep! Friend of mine has two stockers. The road runner that this came in he converted to stick. His wagon the trans started acting up in so he threw this unit in and instant .15 quicker. He called me up after a rear gear breakage to fly through it and check it. Cool stuff!
 
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