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Valve seating-caution-help

  • Thread starter Thread starter Piston720
  • Start date Start date
P

Piston720

Guest
JUST A WORD OF CAUTION
I had my 850 valve seats machined, wonderful job.
I re-assembled the head and started to do the shim adjustment.
The exhaust shims went from about 2.70's to 2.40's.
The intake shims went from 2.70's to 2.37, 2.30, 2.15 and something less than 2.15 which is the problem.
I should of had the valve stems ground down by .4mm on the intake but never thought of it. Has anyone else had this problem?
Is there another solution to the 2.15mm other than taking apart the head and grinding down the valve stems?
 
I was hoping that would not be the case.
So be it, at least I can tear it apart quicker now that I know what is going on.
Thanks for the help.
 
Isn't there a protrusion on the underside of the shim buckets that contacts the valve stem? Perhaps you could have that milled slightly and not have to take the head back apart?
 
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