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olarry
| | Posted on Friday, December 21, 2001 - 12:58 pm: | 
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Can anyone recomend a place to get my 4inch castiron piston oversized.I don't have a gem magazine.I live in Maryland and don't want to mail this sucker to Idahoe. |
Dave Reed
| | Posted on Friday, December 21, 2001 - 06:43 pm: |
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Do you want to flame spray the piston oversize? Or are you asking for a new piston? I can make a new one in aluminum but can not do cast iron. Is it for a 4 cycle or 2 cycle with a lump on top?
Dave Reed
Otto Gas Engine Works
http://www.pistonrings.net |
olarry
| | Posted on Saturday, December 22, 2001 - 12:17 pm: |
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Its a 2 cycle Truscott,the one that was at calvert last year.It has a dam on top of the piston that folows the edge of the piston. |
Einar Carlsen
| | Posted on Saturday, April 12, 2003 - 01:58 am: |
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For cast iron piston, if it is too small, heat it evenly in a small charcoal furnace to a dull red. Let it soak fo a couple of hours, or over night, then let it cool very slowly over night. The cast iron will grow noticeably. If it did not grow enough the first time do it again. Sometimes it takes two or three heats to do, the trick. Cast iron can be made to grow quite a bit. Bear in mind that the wrist pin hole will now be larger too so a new wrist pin may have to be made or the pin hole bushed, and the ring lands may be wider also. Einar in Prince Rupert BC |
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