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redline

  1. H

    What's the Hyper 821 redline at?

    It makes max power at 9,250rpm, right? What's the redline then? Also, what's the normal operating temp? For example, with my car that redlines at 7,800rpm, I keep it below 4,000rpm until the oil temp reaches 170F. What RPM is recommended to keep the Hyper 821 motor below until you hit what...