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Post by whcgt on Jan 11, 2012 16:48:28 GMT -5
I wonder if this damage..merits taking the longblock down further? Or if this damage can be repaired, without any more disassembly of the engine?  |
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Post by whcgt on Jan 11, 2012 16:49:41 GMT -5
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Post by whcgt on Jan 11, 2012 16:51:47 GMT -5
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Post by whcgt on Jan 11, 2012 16:53:35 GMT -5
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Post by whcgt on Jan 11, 2012 16:54:59 GMT -5
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Post by whcgt on Jan 11, 2012 16:56:22 GMT -5
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Post by Gary Hammond on Jan 11, 2012 17:40:25 GMT -5
Hi WHC,  It sould be OK unless it broke the top ring land.  Kind of hard to tell in the pic, but looks like a small crack in the indentation of the piston.  Gary Hammond,   |
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Post by jspbtown on Jan 11, 2012 18:11:05 GMT -5
What is that thing buried into the head?
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Post by whcgt on Jan 11, 2012 18:25:59 GMT -5
It is a small screw..I was able to remove it. It was getting smashed between the piston & the combustion chamber. There is an indentation on the combustion chamber & the piston. It looks like a prehistoric fossil. I wonder if a machine shop can fill in the depression the screw made in the combustion chamber?
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Post by jspbtown on Jan 11, 2012 18:41:07 GMT -5
Bigger question is where did it come from? Did you check your carb?
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Post by whcgt on Jan 11, 2012 18:55:34 GMT -5
That is exactly what I was thinking, as to how it maybe got in there.  |
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Post by Gary Hammond on Jan 11, 2012 18:58:25 GMT -5
Looks like a butterfly screw. Either from the throttle plate or choke plate. Wouldn't worry about filling in the small depressions. But anything that's actually cracked should be replaced, not welded. I'd say your carb had a "screw loose". Gary Hammond, |
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Post by whcgt on Jan 11, 2012 18:59:27 GMT -5
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Post by brianboggs on Jan 11, 2012 20:03:45 GMT -5
Just put a 2.3ltr Ford back there and you wont need the slow VW engine anymore! Or maybe a V8!
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Post by cocacoladodge on Jan 11, 2012 22:29:02 GMT -5
You may want to turn the crank down tomove the piston to bottom dead center and check the cylinder walls. I saw a Chevy that had a simular issue, it got put back together once the nut (from the breather) was removed, and it ran fine for about 10 minutes before the piston ring caught in a damaged section of the cylinder. Bill told me just after he started it up that he forgot to check, but it would be fine. Yeah, ok... Point being check the cylinder walls, and save yourself a headache.
-Bob
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Post by whcgt on Jan 12, 2012 4:38:30 GMT -5
I will do that, thanks. Will be turning the engine around & around, till I get the soot off the pistons & clean all the soot off of the combustion chambers & valves. Then I can check for cracks.
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Post by cocacoladodge on Jan 17, 2012 12:14:13 GMT -5
Good Luck, and hopefully there is no major damage.
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stevevw
Full Member
Part VW part Porsche , all Bradley
Posts: 117
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Post by stevevw on Jan 28, 2012 16:08:00 GMT -5
At the very least a valve job should be done . The heads can be fly cut if no cracking is noted.
then any remaining damage can be blended , the key here is no sharp edges . My own mind would tell be to completely tear it down and replace bearings . Maybe pistons and cylenders if worn to limit . It all kinda depends on the budget .
Cheers , Steve
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Post by itfitz98 on Feb 6, 2013 23:08:05 GMT -5
That same thing happened to me a few years ago. It ground the screw up into little balls and when it was all said and done it looked like a blast from a shot gun. I got all the pieces out put it back together and fired it up and didnt have any problems with it.
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Kind of hard to tell in the pic, but looks like a small crack in the indentation of the piston. 
