motomattx
15+ Year Contributor
- 4,048
- 1,726
- Dec 9, 2010
-
wampum,
Pennsylvania
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On the first pass, which sadly was my first pass this year, it chucked a rod for no good reason. Naturally it exited stage left and broke my steering shaft. Luckily I wasn't to the 330 yet and only going about 100 mph, it stopped before it got too rowdy. Boost was super low at like 47 psi, RPM was only 8400, all data looked good, all spark plugs look good, I don't see any good reason for this failure. The big end of the rod is still bolted together and was in the containment pan, the small end of the rod and wrist pin are still in the piston, but the beam was sitting on the track. Side note about the track, it was incredibly sticky. When we jacked up the front to dolly it off the two front tires picked up the rubber and left two bald spots where they were.