need help with piston rings

[mighty_mouse]

rebuilding my motor - need to decide on rings. which is better - gapless or file fit ???? have a .010 over bore with je pistons and champion 1 alum heads.

thanks,
mouse

 

[Russ Merritt]

I used file fit Speed Pro. Bigger gap on #2 than #1

 

[machinegun]

I personally use the speed pro file to fit rings myself.