John L Posted September 19, 2024 Report Share Posted September 19, 2024 Michael, Its a Piper 2TY. 284 duration. get also their followers, been please with it. Still to sort out are the rocker arms, even now if you buy 12 they will not be the same ratio, this has been one of my main problems to get a matched set, otherwise the valve timing on each valve will be different. Take a look at the photo, the end balls are against the ruler, take a look at the ones in-between, and see the gaps of the balls to the ruler, this is what changes the amount the valves should open, should all be the same! Would interested to see what your ones are like while you have it off. Hope that might help Regards John Quote Link to post Share on other sites
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