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4L60E replacement issue

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Old 11-29-2006, 11:12 PM
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Default 4L60E replacement issue

I recently bought a 4L60E from a trans shop out of Tampa. The reason I did this was b/c it was "supposedly" built stronger than stock, and was priced pretty nice. I received it earlier today, and got home to find that the bellhousing on the new one versus the old one are different. The input shafts are also different. The bellhousing can be changed w/o issue. My concern is the input shafts. Any help on this would be great... as I'm getting angry with this entire experience. BTW, I am attempting to bolt the new trans to a 5.3L. My PTC 3000 TC seems to fit without issue, but I get opinions that this will not work properly.

Both transmissions - old on right, new on left



The old trans



The new trans

Old 11-29-2006, 11:31 PM
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will not swap for several reasons if you install the vehicle will not move due to the difference in the shaft , but also if you install the LS1 converter with the new trans you will destroy the pump due to a clearance issue ,
sorry to be the bearer of bad news
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Old 11-30-2006, 05:27 AM
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With that said, a shaft swap is also out of the question? worth it, or not worth it?
Old 11-30-2006, 06:11 AM
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The input,pump,and belhousing would have to be swaped.
Old 11-30-2006, 07:01 AM
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Originally Posted by Vince @ FLT
The input,pump,and belhousing would have to be swaped.
That's as direct an answer that I need to hear. Thanks!

Now, the real question is how much "work" is it to do this, as a novice? Recommended or not... to DIY or find a good builder?




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