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Cletrac Tractor Discussion => HG, OC-3, OC-4 & General => Topic started by: mcclintock on April 23, 2003, 03:17:14 AM

Title: IXB-3 hercules engine
Post by: mcclintock on April 23, 2003, 03:17:14 AM
I am rebuilding a hercules IXB-3 out of a cletrac HG 42. i'm using .030 over cast iron pistons but can't find the specs for piston clearance, any info would be appreciated.
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Post by: pvcarey on April 25, 2003, 02:10:18 AM
my bok calls for  .0025-.003 Hope this helped.
Ron
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Post by: thecatskinner on April 25, 2003, 02:33:48 PM
That is the correct spec for that engine.   A good rule of thumb to use if you can't find a spec. is 0.001/in of bore.

BTW, end gap on the rings is 0.15-0.20 and clearance in the groove is 0.0015-.0025.
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