I have rebushed my rockers, replaced push rods, and replaced adjusters and
jam nuts. I cannot keep the valves in adjustment. I have a BPNW 270 cam
in this motor and it calls for .12 int and .14 exh. I started it first
time and drove maybe 20 miles and the valves became noisy so I waited
overnight and checked and they were .001 + wide. New threads, new parts, OK I
adjusted them again. After about 75 miles they became noisy again. I am
waiting for overnight to check them.
I could not get half the old adjusters out as the threads had stretched at
the jam nuts so I had to cut off the ball and run them out from the top.
I chased the threads in the rockers and the new adjusters went in fine.
What is the recommendation. Be patient and wait until all settles in?
I am tightening the jam nuts with a 1/2" box wrench and not putting a lot
of muscle on them.
David Lylis
69 TR6 CC26160L
60 TR3A TS74461LO
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