5.2/5.9 H.P build guesstimate

Slantsix64 said

Yes I have 3.55 for the street and 3.91 for track and a 3000 stall convertor

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3000 ain't enough. Those off the shelf "3000 stall" converters need a good bit of low end grunt to actually flash to 3000.

Who changes rear end gears for one use or another?