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Old 04-04-2011, 02:45 PM   #1
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1999 996 3.4 in to my 2001 986 ?'s

I know it has been done a lot so please help,

what does it take to get a 996 3.4 from a 99' into my 2001 boxster, it would be paired up with a six speed..

Please facts only.

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Old 04-04-2011, 03:08 PM   #2
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I don't specialize in conversions and don't carry them out, BUT you need to research the things that need to be done to that engine before installation. The 3.4 engines are among the worst in factory form. The 99 models have higher cylinder failures than any other.

Do your homework and don't just "bolt the engine in".
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Old 04-04-2011, 03:34 PM   #3
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The 01 has the most flexibility. Here's a good resource:

http://www.pelicanparts.com/techarticles/Boxster_Tech/11-ENGINE-911_Engine_Swap/11-ENGINE-911_Engine_Swap.htm

Based on what I've read I'd also be leery of the early 3.4. One local indy had a 3.4 with a vibe problem that he fought for a long time to diagnose. I don't know that he ever did.
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Old 04-04-2011, 08:44 PM   #4
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its one of those deals where I have the 996 engine and a boxster needing one... and none of which are any good sitting by themselves.
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Old 04-04-2011, 10:40 PM   #5
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Then fly at 'er!

And post lots of pics!!!

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Old 04-05-2011, 11:02 AM   #6
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Garage
PCA panorama magazine
just did a feature article about this
called. Boxster Crisis
part I was in Dec 2010
part II in jan 2011
part III in Feb 2011
very good read
borrow the magazines and read up on it
he has helpful hints

Chris

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