I bought the Stage III trans from Bowtie Overdrives.
They assure me that this will live behind my Big Block. I did set it up with a pressure guage. Even though guys claim that they do it I do not see how you can do it properly without a pressure guage.
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72 GMC 3/4 4X4 350/350
67 Camaro 454/M22 (Soon to be 427/700R4)