660 cylinder question at the end of this post.
My other saws have different cylinders than these. I dug out some A 1122e and A 1122a 54 jugs with thick bases, no flywheel cuts on the transfer tunnel (not sure if they had it on any 1122), nice plating in them, different intake and exhaust port windows, combustion chambers appear the same, little core shift, decomp on both, fairly flat bands, hemi chambers, nice ports with little casting flash and giant edges on the lower transfer entry like always. To me both overall are very nice cylinders. They do have a fairly large ring off death up top.
1122E has a + on the intake port
1122A does not
1122A is marked
O 1/8
3308/1 3
1122E is marked
O 4/8
330/1 1
Both are trademarked Stihl®
Both had been fitted with AB pistons originally.
My question is with a base gasket delete and 20ish squish where will compression land with a stock piston vs the Hyway pop up?
Just curious.