jug bore

im having my a3n jug bored, the jug was @ standard 38.00mm, im having it bored to 38.50mm, what i need to know is what would be the correct tolerance for the bore job....there was not a tolerance written on the piston box so i cant get the job finished untill i find at least a good idea and or the correct tolerance for the bore.....by tolerance i mean, the amount of extra room given to the piston and head for heat expansion.

thx for any help,

mike c

Re: jug bore

I would guess around 0.0012 - 0.0015 INCHES. I do not know what the MM would be. Maybe .03MM..???

Re: jug bore

hhahaha...you did answer this twice....i posted in wrong section the first time so i posted here also...plus, i was in need of some help fast.....taking advantage ;)

thx,

mike c

Re: jug bore

your sayin in thousands right? .0012 - .0015 thousands of an inch...the guy at the shop guessed .0010 thousands of and inch.

thx,

mike c

Re: jug bore

Yes

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