recomended piston ring gap for me, OPINIONS!!

[KEMP]

ok, so my machinist wanted me to check with other ca owners to see if this gap sounds right.

top .016bottom .013

around 20psi of boost will be ran.

if that doesnt sound right, what do you recomend?

[zero_gripS13]

nah those arent even stock..

i went with .020 top and .023 2nd and .015 on the rails. what bore size u going with.

[KEMP]

83.5mm

but how much boost are you running

[bentvalves]

forged pistons?

call the manufacturer of your pistons and talk to them. They will ask for numbers on piston or box and go from there.

[zero_gripS13]

83.5mm

but how much boost are you running

setup for 20+ psi. but for break in no where near that.

cp recogmends .0065/.007 for top and .007/.008 for 2nd (for turbo nitrous)

so bore of 83.5mm which is. 3.287"

top gap - .021 - .0232nd gap - .023 - .026

looking at my sheet it was .022 top and .025 on 2nd

[float_6969]

I'd go with what the piston manufacturer reccomends. I went with a little bigger gap than normal because I was planning on nitrous at some point. I still have great compression, but the bigger gap increases blow-by, and these motors already have problems dealing with it.

[bentvalves]

A KA im building called for 40 thou on the oil control rings, wonder why so much more than the compression rings...