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Mine is going to throw a slight monkey wrench into the works. While converting from a TH400 to the 4L80E, I decided to do the ORD 203/205 "doubler". My measurements are going to be off a bit because I have an NP203 wedged in between the 4L80 and the NP205. Actually, the ORD doubler kit uses...

I’ll likely use this same method to remove them...

No, it is still on the rack. I’m doing several things at once. I will post up pics when I’m done. I was originally going to do just the ORD 203/205 doubler. Then I decided to add the TH400 to 4L80 conversion. Along the way, I had to source other parts for the 4L80 swap such as the throttle...

Will do Mike...

Not even close to yours Mike...

“Quick 4” Controller ($750 w/harness) from US Shift... My $200 core 4L80 (removed from a 1995 4WD) Back from the transmission shop with a new torque converter ($1500 lighter in the wallet) TH400 and NP205 w/Muncie PTO removed What came out... New transmission going in... And another...

I'm in the midst of this swap now. Some of my photos will be reflective of me doing a dual transfer case at the same time as the 4L80E. I know, the ORD 203/205 “doubler” is expensive in itself so why not rub salt in the bleeding wallet wound and do the overdrive swap at the same time, right...

I did not intend to resurrect an old thread but there is a wealth on knowledge in this single thread. Hopefully I will avoid making costly mistakes and get the right stuff in the first place for my 4L80E swap. Thanks to all who contributed!