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Tune it and then worry about where to shift it. You will have to see what works best but it will probably be anywhere from the peak hp rpm to 500 rpm higher for the shift point.

Definitely put a tune on the car. You are lacking about 30 horsepower in your combo if not more. Not only that but you might be lacking power across the rpm range. You should see 110+ out of that set up assuming the car is around 3300 pounds.

Believable? Yes it is. It is often that people will rip a guy apart that makes more horsepower than the norm. A good friend of mine here in Wisconsin mad 480 horsepower at the wheels with his stock short block 5 liter last year with only 6lbs of boost from a Powerdyne (of all things). Nobody...