Swap 2.3l 9000 head on 99 9-3 2.0 block? - The Saab Link Forums

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Performance Modifications for the NG900 / Old 9-3 This forum contains PERFORMANCE related Q&A's for the NG900 and 9-3. This may also include suspension.

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Old 09-14-2009, 10:08 AM   #1
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Swap 2.3l 9000 head on 99 9-3 2.0 block?

Will a 94 9000 2.3l turbo aero head work on a 99 9-3 2.0l block? Any issues that would get in the way? Which cams should I use?

See attached 2.0 head with issues
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Old 09-14-2009, 10:35 AM   #2
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I can't think of any reason why this would not be a direct swap.

The camshafts are identical.
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Old 09-14-2009, 11:03 AM   #3
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I agree. The only issue you might have is that the older heads use a different size coolant temp sensor (side of the head near rad hose).
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Old 09-14-2009, 11:34 AM   #4
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Should be identical. Just wouldn't wanna use a 93 or older head.

How about a T7 one from Crazy Rays.
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Old 09-14-2009, 11:55 AM   #5
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Would this be an improvement in breathability?
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Old 09-14-2009, 12:00 PM   #6
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Would this be an improvement in breathability?
Not sure about on a 9-3 or NG, but on a c900 a 2.1/2.3 head makes a pretty noticeable difference.
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Old 09-14-2009, 12:21 PM   #7
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Would this be an improvement in breathability?
Nope.
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Old 09-14-2009, 12:53 PM   #8
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A t7 head with T5 cams is an improvement on T5 cars.

a T5 head is a T5 head. (I am not considering the 93 T4.9 cars T5)
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can be prone to failure due to increased localized stresses in the hole penetrations
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Old 09-14-2009, 01:00 PM   #9
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the heads are basically the same, as mcrowley stated, the ONLY difference between a 94 9k 2.3T head and a 99 2.0T head is the coolant temp sensor. coolant temp sensor follows the head year.
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Old 09-14-2009, 01:11 PM   #10
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Sounds encouraging! Keeping the temp/coolant sensor with the block/head. Tweek, you got a spare T7 head that your not using? Need one intake valve to replace the chipped one in the 2.3l head. Now If I could find a cheap/free 2.3 block, I could do a real upgrade or have a spare for the 9000s
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Old 09-14-2009, 02:38 PM   #11
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See, thats why I never get rid of stuff, you never know when it's gonna come in handy.

I do have some things to do tomorow, but could make a rays run.
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- pretend you are watering delicate plants...
Quote:
Originally Posted by SAABseanSCANIA
can be prone to failure due to increased localized stresses in the hole penetrations
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Old 09-14-2009, 02:45 PM   #12
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Got meetings tomorrow, so cannot make it to CR.
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See, thats why I never get rid of stuff, you never know when it's gonna come in handy.

I do have some things to do tomorow, but could make a rays run.
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