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05-24-2010, 06:18 PM
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#16
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6th Gear Member
Join Date: Aug 2006
Location: Peterborough
Posts: 1,309
Car: 325ix,325ix,325ixt
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Yup. Just heavier. It's good to replace the intake mani gaskets while you have head off.
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88 325IX TOURING DiamantSchwarz|89 325IX AlpinWeiss|88 325IX DiamantSchwarz
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05-28-2010, 08:39 PM
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#17
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E30 POWER
Join Date: Mar 2007
Location: richmondhill
Posts: 274
Car: e30 327I TURBO
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it is but u have ti remove the cooling hose from the back of the head on the intake side and it a bitch
if ur doin this ,,,,highly reccomend strokin it wit the e block ,,,,u will be glad u did
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05-28-2010, 08:43 PM
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#18
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2nd Gear Member
Join Date: Nov 2009
Location: ontario
Posts: 190
Car: 1987 BMW 325 coupe
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yeah i called around about this.
i was told a would loose way to much compression.
good for turbo but horrible for all motor.
am i wrong or is swapping the e block with an i head the shit? lol
are the E and I crank the same? i know the pistons differ.
could i just swap the crank and keep the I pistons to save my compression?
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05-28-2010, 09:03 PM
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#19
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E30 POWER
Join Date: Mar 2007
Location: richmondhill
Posts: 274
Car: e30 327I TURBO
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the crank is the only difference ,,,,crank determines the stoker ,,,so the e is a longer stroke,,,,,,,someone correct me if im wrong but i think u can use the i pistons with the e rods and e crank ,,,,if u use the i rods u will have valve clearenc inssues
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05-28-2010, 09:07 PM
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#20
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2nd Gear Member
Join Date: Nov 2009
Location: ontario
Posts: 190
Car: 1987 BMW 325 coupe
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hmm i also thought the I pistions were the difference between the two.
the E has the Flat top and the I has like a different profile.
so the E pistons would lower your compression?
So i could put the E Crank in my I block, and not loose compression?
I need an expert here?
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05-28-2010, 09:38 PM
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#21
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E30 POWER
Join Date: Mar 2007
Location: richmondhill
Posts: 274
Car: e30 327I TURBO
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ya the i pistons i beleive were in the 88 e which would make it a seta ,,,super eta,,,which is a bit more hp
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05-28-2010, 10:30 PM
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#22
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Classifieds Moderator
Join Date: Apr 2003
Location: T.Dot
Posts: 8,748
Car: e36 m3
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No, super ETA pistons are unique only to 88s.
I believe http://www.strictlyeta.net has an article on the differences, it's a good read if you haven't already gone thru it.
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