Search results for query: *

^ I have noticed that. To make it more confusing, not everyone labels everything the same way, which is quite annoying.

I have been reading up on rockers, specifically magnum rockers as LA rockers are shaft mount and unique. But I cannot figure out how to tell if a stud mount rocker arm is compatible with a certain head. Does it all have to do with the stud size...eg 5/16, 3/8 or 7/16? For example: I...

No, you would go with two big ones. Smaller = more restriction = run out of flow up top, where a strip car needs to live. For street it would be opposite, and two smaller exhaust housings would spool quickly and keep you in boost at lower RPM where a max flow situation is less important...