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Some of you guys are confused. PUSHROD LENGTH is adjusted to maintain VALVE CLEARANCE "lash" when adjusting valves AND to maintain decent rocker arm geometry. IT HAS NOTHING TO DO with piston to valve clearance. Pushrod length is set WITH THE VALVES CLOSED





The only person confused here seems to be YOU , no one said anything, anywhere, in this thread about adjusting piston to valve clearance with the length of the pushrods till you brought it up .

If you go back and reread you'll see he was told to use a HEAD GASKET SHIM to regain his piston to valve clearance .



!!!! REALLY?????!!!!!

From the OP's very own words:

"Basically you lengthen and shorten the adjustable push-rod to achieve the correct imprint on the top of the valve. (Then use that length to order new ones of that length)."



You still aren't seeing it ... ... he said the imprint on TOP OF THE VALVE , meaning ROCKER TO VALVE TIP GEOMETRY ... which is the wrong line of thought for pushrod length because that doesn't move anything on a SHAFT MOUNTED SYSTEM ... I'm still trying to figure out how him saying rocker scrub across the TIP OF THE VALVE is being TRANSLATED into PISTON TO VALVE CLEARANCE ???

Reading is funDUHmental