Quote:
Originally Posted by PQ
Yup. About 20 rwhp in my case. When my car came off of the last dyno we realized that on a cool morning and with some 19s or 20s my car could be close to 600 at the wheels.
Horse power. Hard to make, easy to lose. 
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I'm waiting for a cool day to go back to dyno my car with the new 20s. I'll let you know if there's a difference.