| Thats said I've been waiting for an excuse to put in my new motor. I wouldnt suggest anyone do this for a track day or any prolonged hard driving but my engine has managed with my driving style far longer than I expected. Compression tests are still ok too. As for the HP gain... listen to mixmanmash. Loads of variables, plus you'll want a higher octane if u want the motor to last longterm. Just search dynocharts and compare. Whats with the obsession with THE NUMBER anyhow.
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