Originally Posted by Hippie
How accurate are the advertised pin heights among the various piston manufacturers? I know the old TRW's were usually right on the gnat's behind but not so the Speed-Pro TRW replacements of the same PN. I bought Speed Pro "TRW" forged pistons a few years ago, the catalog said pin height was 1.560, they measured 1.540. I would expect that of cast rebuilder pistons but not a supposedly "High Performance" part. Can you believe ANY of them and if so WHO? Thanks.
"In God we trust, all others are audited" is a sign at my tax guys office. For an engine builder this means parts are what they measure, not what the printed or virtual literature says they "are".
However, giving Speed-Pro the benefit of the doubt, those pistons might be meant for a 6 inch rod.