Thread: What's with my compression test???

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Originally Posted by billlsbird

.....Dave, the local chassis dyno doesn't tune your car, they just run it 3 times on the dyno for $150. I know it put out 497 TQ & 460 HP on a flywheel dyno but I don't think it's running right now. So I was thinking if it put out 390 or so HP & 425 or so TQ on the chassis dyno then that's pretty much as good as it's going to get.....
Bill

I doubt it will be that high. Horsepower loss through the drivetrain is typically around 20% with an automatic trans....

Most dyno operators don't do any tuning, Andy is a friend and just pitches in cuz he's a nice guy!!!!