Piston pin to rod clearance

Many top race engines run unbushed rods today. I have two sets of Pankl rods ($2400.00) from Hendrick's NASCAR team and those are unbushed.

The Crower rods for my 388" BM are unbushed.

My old friend used used to be a crankshaft specoalist for Rousch... they don't run bushed rods anymore, either.Pankl rods.jpg