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2001 3100 going in 99 3400 is it possable

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Old 10-14-2014, 05:28 PM
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Default 2001 3100 going in 99 3400 is it possable

Hello I have a 2001 Malibu with 3100 v6 runs great but body rusty. now I just bought a 99 alero with 3400 has bad engine. The question is " is it compadable" iKnow it will bolt up im really just talking about wiring thanks

ps im wanting to put 3100 in alero

Last edited by shane454ss; 10-14-2014 at 05:30 PM. Reason: forgot somethings
Old 10-15-2014, 06:54 AM
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There is a lot to putting a different size engine in different car. There could be sensor differences brackets fuel pcm wiring, and not likely anyone going to do it because getting the right one is cheap
Old 10-22-2014, 08:35 AM
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right off the bat , I think they both use different transmissions. I would say that the 3.4 uses a 4T65E and the 3.1 a 4T40E , besides The only one who could successfully do the swap is Johnny Cash and he is dead.
Old 10-22-2014, 04:49 PM
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I disagree, the engines are nearly identical other than the displacement. The only issue I can see is the PCM might not like the added CFM is sees from the MAF sensor.

Last edited by 75 racer; 10-22-2014 at 04:53 PM.
Old 10-22-2014, 04:57 PM
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Found this link of a guy who did it.
https://answers.yahoo.com/question/i...9170450AAYXbjA
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