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yes, those are the lightweight ones. I'm sure there will be some gain, but i'm not even going to guess. I bought aftermarket rockers more for stability than performance.
I have found when I installed the Yella Terra's the best wipe pattern is achieved with the supplied shims in place. Once you do this, you will need longer pushrods as well.
I have found when I installed the Yella Terra's the best wipe pattern is achieved with the supplied shims in place. Once you do this, you will need longer pushrods as well.
I have a set of these that are going to be installed on my new engine so I'm wondernig what dictates the best wipe pattern and how to determine it?
I have a set of these that are going to be installed on my new engine so I'm wondernig what dictates the best wipe pattern and how to determine it?
you want the pattern to be right down the center of the valve tip. yes this sounds like a no brainer, but many valvetrains are setup with wipe patterns that are off to the side.
Centered and narrow, you should be able to achieve a 0.060" wide wipe pattern with these rockers. This is one of the primary advantages of these rockers, don't waste it.