how to determine tdc after engine rotation with head off?

Silence

Member
So i am fitting a new chain and tensioner but while cleaning the pistons its off tdc now.
how do i know when it's on the right tdc ( i know i have 50/50 chance but i want to be sure !!
 

vocky

Staff
it does not matter as long as the crank pulley mark is aligned with the oil pump marking or piston 1 + 4 are at TDC
 
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