Hi John,
    Just a note to get you up to speed with what I've been doing with that 2655 Oliver with the D504A-6 engine. I can't remember what I had accomplished when I spoke with you last, but I had the heads magna-fluxed and they are great, but the valves are very, very worn, so I will replace them and have the valve seats ground. I never did do a vacuum test on the head as you had recommended, with the valves being so poor, I figured it wasn't worth it. I then pulled the pistons and found the bearing on the #3 cylinder had spun 90 degrees and was pretty well burned...(guess I'm gonna have the crank turned....RATS!) I was hoping I could get away without having to pull the rest of the engine out of the machine.
  The pistons all looked fine, but I found 2 with the top compression ring broken....no scoring on the cylinders tho'. The connecting rod pins are worn, so will replace them also...I have an excellent machine shop about 5 miles from me and he is walking me through a lot of this.
I just dropped the cylinders off with him to have him check the wear and maybe rebore them, depending on how bad he thinks they really are. I felt the ridge at the top of the cylinders and thought most were acceptable, but he was reluctant to agree....he is in the business, he knows.
  well, I dont find time except a little here and there to work on it, but I am progressing!  Sheesh! I did not intend to get this far into it! Oh well!
When it's all done, I will be glad I did <!-- s:wink: --><img src="{SMILIES_PATH}/icon_wink.gif" alt=":wink:" title="Wink" /><!-- s:wink: --> 
                   Cal