How can you tell if the head is type r i have a ctr head but im not sure if its ctr or not..? if anyone can show me pics on a ctr head so i can see if i have a ctr head and im also selling it if anyone wants to make any offer in so. cali

 

Search the archives for "identify head" and you'll find several threads addressing this topic. If you want to sell it, use the Marketplace.

 

see if the intake cam on the dizzy end , has grooves ground into the cam. right at the end. also , not that youd see it with your bare eyes most likely , the valve in a CTR head are at 45 degree angles. B16A is 60 degrees i beleve.