Piston ring gap recommendations have changed. Features. Events. How-To. Merchandise. Gear Guide. Magazine. Join Newsletter. Piston Ring Gap. Marlan Davis Writer Dec 15, 2008. See All 3 Photos ...

After using the piston ring squaring tool, the ring gap measured 0.019-inch. That’s a 0.005-inch difference, which in the world of high performance engine building, might as well be a mile.

How to Measure Piston Ring Gap Tolerance on Toyota Engine. Published: 24 Jan 2014, 10:55 UTC • By: Gabriel Brindusescu. 1 photo. Photo: screenshot from Youtube.

Piston Ring Gap. Marlan Davis Writer Dec 15, 2008. See All 3 Photos. Piston ring gap recommendations have changed. Most experts now run larger second ring gaps. 0:00 / 0:00.