confident naman po mga bossing and following the manual for the valve adjustment order

first set is 1-2 for intake 5-7 for exhaust (1st piston TDC)
2nd set is 3-4 intake; 6-8 exhaust (rotated 360*)

and the engine is 20+ year old na siguro


the last one is for the pushrod "play" when you shake it.. i think the clearance is wider than specs already