So i´ve started the cylinder jobbie....

[Killerwhale]

I think that what I suggested may be lost in translation - your English is better than my Swedish

The JE pistons are not polished on the skirt, it is the machining which gives the impression that they are polished. They are diamond turned on the O.D. which gives a shiny finish. The grooves on the skirt look ilke this:

Ignore the black speckles - that is corrosion as the piston has been sitting on a shelf in my damp garage. The pitch between each groove is 0.25mm

I was just concerned that you may have polished the piston skirt, which may have removed the above.

would you be able to make up some pistons earwig if you were given the correct dimentions? just a thought

Yeah, a 2mm overbore would be nice!

[earywig]

I'll find out next week - but they won't be cheap.

[cheesie]

I guess if you knew the specs of the aftermarket ones you could make them any size you wanted 870,878,900 high comp low comp