Nitrous Oxide Install Wristpin
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4. This photo shows a couple of important design changes: First off, the area below the wristpin bore has been beefed up for extra support that will help keep the wrist pin from flexing, galling the rod bushing, and sticking in the pin bore. Second, you can see that in the new piston the ring locations have been moved downward from the top of the piston and the ring lands are much thicker. This helps support the rings and move them slightly away from the violent combustion event occurring in the chamber when the nitrous is introduced. View Related Article
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