Originally Posted by
choisan
Anyone knows a r7 conrod can be used in the latest cxr21 on road engine?
The R7 is the same rod but only the hole for the crankpin differs. A Nova is 5.00mm and the RB is a tiny bit larger, I believe 5.02mm
I did it once:
An 5mm diamond dremel bit did fit tight in the hole and just with 3 counts powered by a Dremel it did fit the RB crankpin.