87gtman, I've got the hp fix on my 99 Cobra. I was in the initial group, probably to get some feedback. It is nothing short of fantastic. It is not the same car. I pre dynoed at 248 and haven't bothered to check it post fix. I have a vib problem that is still being addressed. If you have no problems other than the hp, hang in there. It is the hp jump I have felt short of NOS.
Good luck
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