anybody know what color bearings to go by? the p72 crank shows 3 greens and 1 brown?

 

You have to match the rods with the bearing codes on the crank. Best way is to use a set of used bearings, measure them (plastigauge) then purchase new bearings according to the measurements to attained.

HTH

 

are the gsr and itr rod color bearings identical? this is my setup:

b18c1
gsr head
us itr pistons
itr rods
gsr crank

old gsr rods where 3 green and 1 brown
i got new ones from the dealer
installed everything and started the motor up and heard some really loud knocking. seemed to be more audible closer to the tranny. am i using the right rod bearings? help please...