Originally posted by speedxl
take a motor do dyno pulls with in at full temp being run in a car with tight shimming and .005 shimming and check to see how much the performance tapers off. try it.!
Actually I
HAVE done this myself.
Back to back testing with several different Motors on my Robitronic Dyno. Anything less than .008 (total), Power and Rpm were significantly down. Endplay being measured with Digital Calipers (accuracy .0005).