Quote:
Originally Posted by steve25
Well if the heads have not been gone thru then if nothing else while the 400 is out of the car you should replace the valve stem O ring seals.
These just dry rot to pieces once a motor of this age has sat for a number of months and the is put back in service if they are not gone already.
|
Hmm... Okay. Engine was rebuilt about 47K ago (not sure how long ago) but it was last run & driven about 3 mo. ago. What is involved in replacing valve seals on a Pontiac motor?