Transmission trouble/ Best way to beef up a 4l60e??

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Originally Posted by low91

I think I'll email performabuilt tomorrow and see about going with a bigger converter. How much of an effect on mileage do you guys think I'll see? Most of my driving is highway but theres some stop&go in there as well. The trucks just my dd so I try to balance performance and mileage. I'm also thinking of uping to a 6.0 next year if that makes a difference.

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i wouldnt think you would suffer in mileage all that much, maybe a mile or 2 but if youre going 6.0 later i would think about a 3200 pb converters are really tight ;)

Where can I order a performance rebuilt kit for the 4l60e?

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Originally Posted by THA1ONE

Where can I order a performance rebuilt kit for the 4l60e?

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:google: Performabuilt also FLT = finish line transmissions