Re: [MV] Free a FROZEN ENGINE/M38A1

pendleto@usit.net
Tue, 2 Jun 1998 20:25:45 -0400

greetings all, you might laugh at this but, try vinegar, It will eat the
aluminum (being a mild acid) and not harm the cast iron. This does work, I
have used it on small block chevys that the pistons are stuck. Of course it
does ruin the pistons. Also Marvel Mystery oil helps, let it set a day or
two.
Bobby Joe Pendleton II
MVPA# 17657
1953 XM211
East Tennessee
-----Original Message-----
From: A.Mehlhorn <a.mehlhorn@t-online.de>
To: Ron Johanson <rojoha@mediaone.net>
Cc: mil-veh@skylee.com <mil-veh@skylee.com>
Date: Tuesday, June 02, 1998 4:29 PM
Subject: [MV] Free a FROZEN ENGINE/M38A1

>>Next step I think is to pull head and beat pistons into submission
>>with sledge and 2x4--- unless you wonderful folks might have
>>something up your collective sleeves to break it loose. Patiently
>>waiting for a miracle
>
>Pull the head off, but don't use the sledge!
>If you want to free the pistons, disconnect the conrods from the
>crankshaft, then remove crankshaft. Close the top of the cylinder bloc
>with a flat steel plate (5-6 mm, 1/4" thick). Make sure there is a
>connector for a grease gun on top of each cylinder. Take your grease
>gun and fill the cylinder with grease. The pressure of the grease gun
>will push the pistons down and out of the cylinder.
>
>To avoid damage of crankshaft and conrods, remove crankshaft before.
>This makes you also sure, that it is mot a bearing, which is frozen
>and blocs the engine.
>
>I've freed the corroded piston of my JUNAK motorbike this way.
>
>Regards
>Andreas
>
>
>
>
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