Thread: 3.3 H6 with 230hp vs 3.0 H6 with 250hp?
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Old 03-09-2004, 09:41 AM
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Michael Blue Michael Blue is offline
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Join Date: Feb 2004
Location: Morton, IL, USA
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3.3 H6 with 230hp vs 3.0 H6 with 250hp?
OK, our cars have the 3.3 DOHC H6 with 230hp, but several newer Subies have this 3.0 H6 with 250hp...does anyone know what the exact differences are in the engines? Are the 3.0 H6 heads that much better, and would they fit on the 3.3 H6?

I'm looking to eventually build up a great Subie H6 for another project, and would like some input on possible hybrids, etc.
I will need to build whatever it is up a bit and likely lower compression a bit for up to a 15psi SC unit, but I'm looking for the most bang out of the engine platform itself before I add boost.

Thanks!
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