Well I came up with the The number of turns head thread Test.
Basically there is a seat in the head for the wider portion of the plugs just above the threads to stop on. This seat, notch, ledge, whatever... read more

Mustang FeedsRon Capps has earned another honor. Capps will be inducted into the Motorsports Hall of Fame of America Class as a part of the 2027 class.
Moser Engineering is making rearend upgrades easy. Moser Engineering is offering free assembly of its MusclePak rearneds in the month of may.
The last 365 days have been a wild ride for Jordan Vandergriff. We sat down with Vandergriff to learn a bit more about him.
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Pro Mod put on a show at the Southern Nationals. Jason Collins was able to pick up his first NHRA Pro Mod victory at SGMP.
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The NHRA's Southern Nationals delivered plenty of great action. Here's a recap of who won a silver Wally at this thrilling event.
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Recent Technical Articles
A New Face And New CAS-Supercharged Coyote Emerges In Pro Mod
Former road racer J.R. Osborne's ride is wild. He's partnered with FFRE to create a unique Coyote-powered Pro Mod Mustang.
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