2k.civic.si

whats the max bore i can safely take my b18b to...how much boost can i run at this bore?
currently i have proline crank...scat rods....toga bearings....havnt ordered the pistons unsure on bore....
i already bored the block to 81.5...originally was gonna run ctr pistons and go n/a...but got a gsr block instead....now im gonna build this b18b for turbo

2k.civic.si

thanks for the help.

Jared

81.5 is the most you're gonna want to run with stock sleeves

Joseph Davis

I've heard 81.25mm for boost, save the 81.5mm for NA. That's internet wisdom for you, I've also been told I need spinnaz for my CRX so take it with a grain of salt.

With how thin the stock sleeves are between the ribbings, my personal choice would be to try to get away with stock bore and glaze break hone if I could. A quarter millimeter is a significant thickness with how thin shizzle is in this area.