Originally Posted by C Mike Hunt
Can you please tell me the shim setup for 16% Nitro fuel on the PR12.
I assume std. is for 30%
Hi Mike.
Yes, motor comes for 30% Nitro and it has total shimmng .4 mm. For 16% Nitro I will sugest .25mm. Our shimming has possabilities to adjust by .05 increaments-copper shims there is .05 mm.
Edward