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Old 12-26-2013, 05:49 PM   #1
your_muda
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325e (i) 2.8L stroker turbo

I am currently doing the 'i' head swap on my 86 325e... i have a Garrett T25 turbo and my plans are to boost it but im not sure if i will be successful with this specific turbo. Does anyone have any insight that could help me out?
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Old 12-28-2013, 12:19 PM   #2
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What do you mean successful?
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Old 12-28-2013, 03:08 PM   #3
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im worried the turbo i have may not be suitable for the engine, was hoping someone could give point me in the right direction or give me some insight.
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Old 12-28-2013, 06:25 PM   #4
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It is very small for a stroked m20.

Give this thread a read.

Half way down there is section about basic sizing.

http://www.e30tech.com/forum/showthread.php?t=3237
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Old 12-28-2013, 09:25 PM   #5
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T25 is too small. It's off 1.8-2.0L and are even small for those. It will spool quick, but you'll have no top end, and it will probably kill the turbo very quick.
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Old 12-29-2013, 02:39 AM   #6
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yea thats what i figured. a buddy of mine said he would sell me his holset hx35 from the cummins... do you think thats a decent set up?
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Old 12-29-2013, 02:53 AM   #7
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Quote:
Originally Posted by Yamahammer View Post
It is very small for a stroked m20.

Give this thread a read.

Half way down there is section about basic sizing.

http://www.e30tech.com/forum/showthread.php?t=3237
man, this is a great thread, its answered pretty much all my questions! thanks
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Old 12-30-2013, 05:41 PM   #8
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hx35 is a perfect suitable turbo for the 2.8L m20. Go with it!
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Old 01-01-2014, 07:59 PM   #9
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Like Devon said, HX35 is the way to go with these. Easily attainable and proper sized.
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Old 01-02-2014, 09:21 AM   #10
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"i" head swap ≠ 2.8L stroker
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