short block - Subaru WRX Forum
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post #1 of 28 Old 05-31-2011, 08:58 PM Thread Starter
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short block

whats a good company to go with for a short block im going to do a 2.5 hybrid swap

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post #2 of 28 Old 05-31-2011, 09:49 PM
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Just a warning (since I've had 3 of them). Hybrids do have a much shorter life span than your stock engine due to a much higher tendency to knock.
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post #3 of 28 Old 05-31-2011, 10:03 PM
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If I were you I would go with either a built 207 short block or a built EJ22 both Crawford and Gruppe-S build good motors your best bet is to find a few companies do some research and go with who you feel the most comfortable with or just build it yourself

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post #4 of 28 Old 05-31-2011, 11:30 PM Thread Starter
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shortened life span due to higher compression type of knock or bearing knock
ya i heard crawford is the the way to go

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post #5 of 28 Old 05-31-2011, 11:41 PM
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slightly higher compression and the fact that the combustion chambers are designed for the 2.0 causing poor combustion

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post #6 of 28 Old 06-01-2011, 06:58 AM
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I've gotten terrible engine build information from Crawford, so I wouldn't go anywhere near them personally.
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post #7 of 28 Old 06-01-2011, 08:11 PM Thread Starter
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or maybe just find a used sti block with low miles or is it worth the built bottom end im looking for under 400 horse

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post #8 of 28 Old 06-01-2011, 08:37 PM
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i recently bought a short block from outfront motorsports out of california. im sure if you called them and told them what you wanted they could build to your satisfaction
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post #9 of 28 Old 06-01-2011, 08:50 PM
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there is another member here (wagonracer) and former member (Boost Addict) that have also had positive experiences with outfront

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post #10 of 28 Old 06-01-2011, 11:11 PM
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I don't know it you can say that Vim had a positive experience. His outfront block broke. But, i'm not so sure it was outfront's fault.

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post #11 of 28 Old 06-01-2011, 11:44 PM
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he trusted them to build another motor IIRC

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post #12 of 28 Old 06-02-2011, 12:06 AM
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Yeah, Vim should've just bought a Cosworth longblock though. I think Outfront covered the motor under warranty or something even though BoostAddict blew it up.

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post #13 of 28 Old 06-02-2011, 06:45 AM
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As I'm finding out now, don't have Cobb build the block.
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post #14 of 28 Old 06-02-2011, 10:57 AM
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Ya Vim said it was his fault with his motul 300 race oil that shoulda been changed way sooner like after a race. His didn't do a oil analysis but said it was 3,000 miles or something.

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post #15 of 28 Old 06-02-2011, 10:50 PM Thread Starter
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ya outfront has built me an my family some pretty reliable an good running motors for our sand rails ha ha ha never thought to ask him for a build on a low horse low compression short block

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