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- - Bored over? (https://www.jeepscanada.com/jeep-mailing-list-32/bored-over-11833/)

You are taking on a dangerous job there Bill.

If you make an error, you will be using the engine for a boat anchor.

Trying to repair someone eles's screw up on an engine build is very
difficult.

The overbore codes for your engine are stamped on the oil filter boss
unless it has been bored out even more aftermarket.

Look close on the oil filter boss for a letter code stamped in.

If the letter B is stamped there, the cylinders are 0.010" oversized
from the factory.

There are other codes for the crank mains and rod bearings.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

William Oliveri wrote:
>
> I just got through talking with a local parts store trying to scope out
> rings for this piston and the parts guys said there should be a number on
> top of the piston that would indicate whether it was bored over or not.
>
> All I can see is an arrow pointing to the direction of install. This would
> mean the pistons are all stock? I can take a closer look when I get home
> but if I can see the arrow should I not be able to see the bore number?
>
> Thanks,
>
> Bill
>
> http://members.bigvalley.net/wuji/je.../cylinder2.jpg
> http://members.bigvalley.net/wuji/je.../cylinder3.jpg
> http://members.bigvalley.net/wuji/je.../cylinder4.jpg