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| Author |
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olarry
| | Posted on Sunday, January 06, 2002 - 12:06 pm: | 
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I got the truscott back from the shop today and its still the same.After haveing it 3 weeks they claimed they can't do the work.Can I make this sucker run with new rings or do I serch for a differant shop again? There is about .0016 clearance on the piston in the middle of the cylinder.The big problem seems to be that there is no way to bolt the block in the machine or to bolt the other type machine to the block. |
Robert Holcomb
| | Posted on Sunday, January 06, 2002 - 06:03 pm: |
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what were you having them do????is the barrel pitted or egg shaped?? need to get a bore gage in there to see what shape the bore is in a set of telescope gages and an o.d. mike will also work
i would just chuck it up in a 4 jaw and dial in the base mount and check to for parellel with the carrage travel,
this is how i sleaved the frisco
lathe set up |
olarry
| | Posted on Sunday, January 06, 2002 - 07:29 pm: |
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Well there is a scrach near the top and a couple pits. The problem was only 8 pounds compression.Testing with air showed lots of leaking around piston.Trying to match up the 8 holes for ports and oiler plus compression release seemed too hard.I planed on oversizing the piston and cylinder as an easyer solution.There are more things that make it hard to do,the brass for the ignighter sticks into the cylinder makeing it hard to hone the last inch.The bearing for the crank sticks in and a long hone wont go straight in.I like your set up with the boring bar it would work on mine.I will try a differant shop with large lathe.I would hate to try it on mine. |
B Hall
| | Posted on Sunday, January 06, 2002 - 09:26 pm: |
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Larry; If you only plan to run your Truscott for display and not under load-it might be worth getting an oversize set of rings made to fit your piston in the improved bore. A little piston slap might be prefered to recreating the piston?.
Maybe a shop that rebuilds air compressors would
have fixtures to hold your cylinder-they're the same physical configuration as a small marine engine. |
George Coates
| | Posted on Wednesday, January 09, 2002 - 09:22 pm: |
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Some large motorcycle shops can bore blind cylinders in a special jig. It is not cheap but they usually know what they are doing and where to get the sleeves. A 4" sleeve may cost $45 and another $50 or so to bore the cylinder, fit the sleeve and then finish bore the sleeve for the piston. |
olarry
| | Posted on Thursday, January 10, 2002 - 06:08 pm: |
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A friend hereing about my engine and shop troubles volentered the use of a professional type hone.Well after trying to use it, I can't get it to work either. |
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| | Posted on Monday, March 06, 2006 - 04:05 pm: |
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