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Level 5 4L80 power levels...

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Level 5 4L80 power levels...

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Old

Oct 1, 2008 | 07:57 PM

#1

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Level 5 4L80 power levels...

I just purchased a Procharger F1R last week and will be using a LS2 402 along with it. I'm shooting for around 900RWHP possibly a little more and am looking for 9's through the quarter. I was originally going to go with a Th400 but am not liking not having overdrive...

So I am looking for either FLT or Performabuilt to respond here and chime in on if either company has a 4L80 that can hold up to that or if I'll need to be looking into a different trans...

Thanks guys!

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Oct 2, 2008 | 07:25 AM

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I have built 4l80e transmissions with more rwhp than what you have mentioned. Feel free to give us a call. Vince

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Oct 2, 2008 | 07:41 PM

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V whats the diffrence in weight of 4l60e an 4l80e?

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Oct 2, 2008 | 08:12 PM

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About 40 lbs difference without converters. Aftermarket converter weight would be similar.

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Oct 2, 2008 | 09:39 PM

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So it would be a good up grade for our cars huh .

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Oct 2, 2008 | 09:39 PM

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And what all I have to change to use this on a 99 ws6?

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Oct 4, 2008 | 11:24 AM

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https://ls1tech.com/forums/automatic-transmission/699277-whats-needed-4l60e-4l80e-swap.html

there is a sticky on how to do the swap already.

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