Funny Car teams replace the pistons after every race pass and every second qualifying pass. Pro Stock teams replace them after every 40 passes approximately, and weekend warriors replace them every 12 to 18 months, sooner if their engines are nitrous-assisted. Frequently, piston changes lead to compression rate changes.
This entry was posted on Friday, March 11th, 2011 at 6:22 pm and is filed under .
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