Quote:
Originally Posted by blykins
Are there shims underneath the springs?
I would imagine that the install heights are the numbers that are written on the sides of the heads.
That one head has .035" difference between the shortest and tallest height. Hopefully they corrected it as .030" can be a big difference in spring pressures. I would make sure that some of the valves are not sunken into the seats.
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Yep every spring has a shim (although nothing yet to say if they are for show or actually vary in thickness) and the valves are definitely not sunken into the seats, if anything they seem to be sitting a little proud so I'll be getting my guy to make sure previous warnings about the angles on the valve not matching the seats isn't the case.
Exhaust valves and intakes seem to sit at very similar heights at the rocker end but the exhaust valve springs appear compressed more because the collet sits further down the stem. See pics;
I have no idea if this is even unusual, again that's for my builder to check for me.
-Andy