first, let me apologize if this is a big repeat. i don't get here as often as i used to.

i have read here somewhere, where the non- aligning roller rockers were used for years, without a hitch. has anyone here actually ever tried it. i know there are alot of reasons why we shouldn't, but has anyone "actually" tried it? i have seen both types of heads, and the holes for the pushrods don't leave a lot of play for movement.

 

Unless you are going to use guide plates don't chance it. Guided RR are cheap insurance.

Steve

 

Actually, they're expensive insurance. $299 for a set of Crane roller rockers.
Are they totally necessary?

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No guts, no glory.

 

i don't think anyone has tried it. i am getting to put a z 305 in my rs, will have to test the theory on my old engine.