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The Andrews EV 27 is supposed to be the noisy cam and it is! I have that in my EVO Heritage and it is noisy. I have adjustable pushrods and no matter where I adjust them, I hear the lifters.
i hear here ,the culprit its the lifter, the main reason on the noisy engines its the gap in the shaft, aftermarket cams are shorter than stock ones, they need a washer, usualy .055 can be less or more , i use a old gasket ( crushed to check the gap, and ever use .010 on this gap , do it , your engine will be quiet as a stock with N or L cam evo
I use a piece of 1/4" ground tool steel with a taper on one end to in gauge the cam slot while the gear is still on. Center the tool stock and scribe a line on both sides on the gear. Use those scribe marks to line up to the slot on the cam.
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