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JD-G .125 oversize

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Dean

11-15-2002 17:40:21




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Can some tell me what the piston to wall clearance is on a 1948 JD-G with .125 oversize
aluminum pistons, Got one that locks up when it gets warmed up,let it set 10 min. and it starts right up again.Thanks




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Brandon

11-16-2002 08:32:47




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 Re: JD-G .125 oversize in reply to Dean, 11-15-2002 17:40:21  
There should be between .012"-.013" clearance because of the expanding of the aluminum piston. Cast iron is, I believe, .006"-.008".



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pat

11-15-2002 19:16:58




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 Re: JD-G .125 oversize in reply to Dean, 11-15-2002 17:40:21  

I'm not sure of the spec. but whatever it is, bear in mind, that it is most likely for a cast IRON piston. If you have Aluminum pistons, you may need just a little more clearance due to higher expansion rate.
Hope this helps, Pat



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