Trick Flow Stage 1 cam..

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The E303 was designed by Crane and is identical to Crane's PowerMax 2040. Check Crane's website out for their recommendations on use of the cam. They recommend against using it with an automatic. If you insist -- with either cam -- much more rear gear (at least 3.73, preferably 4.10) and looser stall converter will help deal with the loss of low end torque.