I've heard that for every drop (or gain) of 1 point in compression it's equates to between 4 and 6-percent.
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"A ship in port is safe, but that's not what ships are built for."
See Bad Penny run the cones: https://www.youtube.com/watch?v=8GUPPIX-92U
1971 Chevelle Wagon - Roadster Shop Chassis ProCharged Shafiroff LS and lots of yada yada
1968 Camaro - Project Track Rat - 440 RHS LS
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