Originally Posted by xyfmtjoe
how far do they open up when cold?
It should go the other way when everything expands. Gap should get smaller.
My cam's supposed to be 25thou and I adjust it to a tight 24thou. Keeps it a tad quieter.
Depending of how far you close it up? It'll only affect the idle (sometimes smoothes it) and the power range. It can sometimes be an advantage to run the lash tighter.