06-08-2021, 02:07 PM
(04-08-2021, 09:43 AM)Chris KC Wrote: My set had an oil control ring missing, I replaced it with one of Jamie's - as far as I can tell they are identical.
I may have a set of Regal pistons with A7 rings on I suppose - but the clearances seem about right.
My Googling suggests some modern makers now use bronze bushings in aluminium pistons (e.g. VW).
I also found a supplier of bronze 'repair' bushings for worn Scott Motorcycle pistons.
No takers?
Austin 7 ring = 5/32", Hepolite 17229 ring = 1/8". QED?