Written by Mike Carpenter Photography by the Author When Bill Kuhlmann broke the 200-mph barrier in 1987 with a 615-cubic-inch engine combination, that history making run changed the industry forever. Nitrous began to earn wide acceptance and monster-displacement engines became the norm. While breaking that mark remained a part of history, the 615 engine combo soon morphed into what we know tod...

Text and Photos by Mike Carpenter When Bill Kuhlmann broke the 200-mph barrier in 1987 with a 615-cubic-inch engine combination, that history-making run changed the industry forever. Nitrous began to earn wide acceptance and monster-displacement engines became the norm. While breaking that mark remained a part of history, the 615 engine combo soon morphed into what we know today as the 632. ...

[ap_tagline_box tag_box_style="ap-top-border-box"]By Jason Reiss Photography Courtesy of Total Seal[/ap_tagline_box] Over the years, engine builders have devised many ways to maximize ring seal, from gapless rings to drilling small holes (gas ports) in the piston tops to allow combustion pressure to get behind the ring's inner diameter inside the ring land and push it outward to seal its fac...