Originally Posted by qtiger
Yes. .3 less.
Don't swap heads unless yours is ruined. The gains aren't worth the price you'll pay for a type R head.
Yes, but .3 sounds a little low,
I have a GSR head on a B16A, so my C/R is about 10.6-10.7
Considering a stock B16A is 10.2 (B16A1), the head should drop your C/R about .4-.5, max.