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Chevrolet When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made.

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Old 06-16-2016, 08:23 PM   #1
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I found a 2003 Chevy Impala with a blown series II 3800 V6. I have a 1997 Buick Regal with a series II 3800 V6 supercharged. I already know that I would have to swap the intakes. But will my motor work in the newer car?
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Old 06-16-2016, 08:43 PM   #2
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Most likely, however the engine has a lower compression ratio, and will make less power. I don't know what downstream effects there will be from the difference. It may be good to widen your search to include series 3 NA, as the blocks are tthe same usually, you would simply swap your intake system over usually.
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Old 06-17-2016, 06:23 AM   #3
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Yeah it would work, if you have a decent motor already to swap in I'd not bother trying to buy another just for a tad more power..
Yeah your compression ratio will go from 9.4:1 to 8.5:1, but if the car is just an average daily driver it will be fine..
Make sure to swap over wiring harness for the donor motor, and the PCM...
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Old 06-17-2016, 06:28 AM   #4
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I've seen it work before with a 96 Park Ave that use to be Supercharged.
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Old 06-17-2016, 06:31 AM   #5
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Whoa wait, you can't just swap supercharger and intake manifolds. You must also swap heads, tensioners, idler pulleys, brackets etc. Or otherwise known as a top swap. Then it requires custom tuning.
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Old 06-17-2016, 09:07 AM   #6
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Hmm, at first it sounded like he wanted to swap over the whole motor..
If so he should just swap the whole SC Motor and Tranny over...
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Old 06-17-2016, 04:28 PM   #7
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If he is wanting to take his L67 and put it in a chassis with just the L36, he needs the engine, trans, HARNESS from a 2003 L67 Impala and a ECU L67 from a 2003 Impala.
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