Quote:
Originally Posted by Captain Snooze
But a slightly more serious question is why? I mean 12k rpm is all well and good but from the little I have seen of modified Subaru engines big power is available at "normal" rpms. What benefit does high rpm bring?
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I feel the same way about it to an extent. For the average build a motor that will make plenty of power at the standard rpm range.
Where the high rpm's give you benefit is where you can extend the power band of the BIG turbos out there. It's one of the many reasons you can see Evos running well over 1000whp from a 4 cylinder. They have built the engines to see excessive rpm's allowing for a turbo that will flow that much air to spool.
[ame="https://www.youtube.com/watch?v=iIRVrQ5cRks"]Mitsubishi Evo - Almost 2000hp 12k rpm - YouTube[/ame]