Quote:
Originally Posted by Bmw doubles
It did seem weird. In the video the guy running the dyno said 300whp and then at the end the reviewer said 280. N55's are proven to put down 280 stock. Something to keep in mind a load based dyno is completely different from a dyno jet. Also 91 Oct could of played a factor.
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That run's power peak was too low RPM 4900 for a N55B30T0, therefore you can throw it out. Yes 93 vs 91 octane can make a few hp difference.