Re: Found the problem

Paul,

Off to a good start on your retirement. Hope you don’t get as busy as me..I run at least three weeks behind schedule all the time

!!!

Ollie

Sent: Saturday, November 09, 2013 2:14 PM

To: 1962to1965mopars@xxxxxxxxxxxxxxxx

Subject: Re: Found the problem

That's a good suggestion Jim. I have confidence in the machinist. He's been in business for a long time and builds a fair number of racing engines including his own. He knows Mopars too. We had a conversation about file fit on the rings and the KB spec. So I'm sure that was done correctly. I did run some 89 octane mixed with some 91 this summer and got a little detonation on one occasion. So it may have been my fault.

Paul L.

On Thursday, November 7, 2013 6:53:57 PM UTC-6, Paul L. http://1962to1965mopar.ornocar.org/ml-lennemann63.html wrote:

To recap for everyone: On the eve of the Geezer Drags I drove my car to Rich K's house to socialize a little. The engine started to miss, which was pinpointed to #4 cyl. Discovered that the neg. electrode had been hit by something and bent over. There was also a bit of a noise in the engine.
Since I am now retired as of last week, I took time today to pull the head off. Discovered that about 1.5" of the top ring land had broken off of the piston. So looks like the engine is coming out. This is disappointing in that I probably only have about 1500 miles on a fresh rebuild. And it has only seen 5K rpm a hand full of times in that time. The pistons were new KB Hyper-eutectic's.

Somewhat surprisingly there was no debris left in the cyl., and no apparent damage to the head. Still need to check the make sure that the valve seats are not damaged. I'm attaching a picture.

Paul L.

63 Sport Fury

440/727

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