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V6 To V8 Swap

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Old May 6th, 2019, 12:49 PM
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Default V6 To V8 Swap
I’m wanting to know how hard it is to swap a 96 5.7 Vortec into my 98 4.3 Vortec, it there any plug and play to it? Or do I have to Do some modifications?
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Old May 6th, 2019, 1:31 PM
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Well you're going to want to use the ecm from the 5.7 and hopefully they both have the same trans
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Old May 6th, 2019, 4:18 PM
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Originally Posted by Irish_alley
Well you're going to want to use the ecm from the 5.7 and hopefully they both have the same trans

Yeah they’re both the 4l60e would you know if I have to get different motor mounts?
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Old May 6th, 2019, 8:00 PM
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cant swear to yours but i know on the 73-87 trucks its a different mounting brackets. i would imagine these were the same way
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