Was it run without an air cleaner. That's a really good way to wear out
cylinders fast.
Dave
>>>>>>>>>>>>>>>
Mike and Cheryl wrote:
> I have 2 different flat head 4 cylinder Willys engines I am
> having my father in law rebuild. He is an old tractor guy and
> is doing it free as he might end up with a jeep out of the deal.
>
> First engine is a MCXXXX or M38 engine. The cylinders were
> already bored to 30 over, but had a lot of wear in cylinder walls.
> Looks like it will be 60 over bored. Thought some one had told me
> I might have to rejet carb when going this far and then someone else said
> it wouldn't be a problem. Anybody had this problem. all the other bearings
> seem to be ok. Block is getting Boiled is there something that caused
> this excessive wear (engine seems great shape other than cylinder wall
> wear)?
> engine has .070 hole for timing gear oiler, If I understood some
> December discussions the port needed to be lowered to .040.
>
> I bought another L134, all machine shop work done (rebored .030 over
> pistons, crank ground ect...). camshaft and valves installed in block, but
> everything else needed put back together. Top of engine planed down so no
> serial number, I'll get a casting number when I get up there, my engine
> rebuilder (father in law)
> told me one piston has a lot of machining done to the inside compared to
> the others is there a special place for this? Also is there supposed to be
> differences in
> rods like 1 and 3 are same and 2 and 4 same? I thought they all were the
> same?
>
> My father in law is really sharp and is not afraid to do some calling or
> further
> research to get things right (was in charge of engine shop for A-7 Corsairs
> and
> then F-16s before retirement). I'd like to help him out all I could. Would
> love to find
> a good book or manual (have M38 engine one).
>
> Any advise would be greatly appreciated
> Thanks as always from us guys who sit back and mainly read this list because
> most
> of our questions are answered before we can post them.
>
> Mike in Iowa
> mleaton@netins.net
> Iowa MVPA Website: http://showcase.netins.net/web/iamvpa/
>
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This archive was generated by hypermail 2b29 : Tue Jun 05 2001 - 23:18:34 PDT