10's on $5,000 ?

318willrun said

MPH will tell you if it's the motor or the car. If you run 14.35 at 117 mph, well...:rolleyes:… Let me reverse the question. What if you put together a 400 hp motor for the dyno and it only pulls 320? what would you do? I bet the same thing I'd do in my driveway

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Guaranteed he wouldn't be swapping converters or considering transmission issues. PRH has way more experiance with engine building, dyno testing, and track feedback than most of us. I took advise and cues from his posts on Moparts eighteen years ago and went 8.77 at 3055 lbs with my 440-1 528.