Quote:
Originally Posted by Kostamojen
This is a strung out Subaru motor. The highest power EVER from a normally aspirated 4-cylinder Subaru motor from the factory.
People have tried, and failed, to get to 250+ N/A power with previous N/A Subaru 4-cylinders. The only one I've ever seen was a completely redesigned block on a pure race car in Japan that got 280ps, but probably cost $30,000 just to design and build.
Can you get another 20hp with this motor? Probably pretty easily with bolt ons (intake/exhaust) and a tune. 30hp? Maybe with better fuel. Cams? Probably not more than 5-10hp more. More compression? Maybe another 10-15. Slightly more displacement? Couple more. Custom fancy intake parts that don't exist yet? No idea.
Unless that DI is capable of some serious magic, I don't see any way right now to get 50-60hp MORE out of this motor.
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I'm trying to find the 300HP EJ25 I read about on NASIOC. It had maybe $10k in work, which is par for a N/A build.