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Old 03-25-2016, 03:09 PM   #1
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Question 3800 swap

hello. i have a 2004 pontiac grand prix gt na 3800 series 3 with a bad bottom end. i got an older series two out of a park ave. does any body know exactly what i need to do and what parts id have to buy to switch it into my grand prix and be able to keep the top end of my series 3?
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Old 03-25-2016, 05:10 PM   #2
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Are you sure you have a Series 3 in it? Series 3 didn't come around until after 2005.
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Old 03-25-2016, 09:06 PM   #3
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im positive it has aluminum intake manifold and a big series 3 plastic cover
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Old 03-25-2016, 09:10 PM   #4
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What year is the donor engine?

Got pics of the Series 3?
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Old 03-25-2016, 09:12 PM   #5
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i appreciate your time i really need some advice
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Old 03-25-2016, 09:13 PM   #6
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i go get pics and doner info be right back
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Old 03-25-2016, 09:24 PM   #7
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donor motor is out of 96 park ave pics in a sec
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Old 03-25-2016, 09:38 PM   #8
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2004 pontiac grand prix
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Old 03-25-2016, 09:39 PM   #9
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Old 03-25-2016, 09:42 PM   #10
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Ok, you have the L26 engine, and your donor is the L36. Transfer over anything external from the old engine, to the new engine. This includes ALL sensors.

On a side note, you are playing with Pandora'* Box with an old 96 engine.
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