Please post up what the Stealership tell you.
I can inform you that I have over 50Kmiles on my transmission with this mod to no as yet, ill effects,
Al.

 

I wanna do this to my 03 pretty bad,but with my trans currently slipping every once in a while and 180k miles im scared.

 

I did this mod on my 2002 4.7 1500 and I love it. Everyone is talking about huge differences in WOT, but I noticed a distinct personality change just with normal driving. Throttle response seems more effective, downshifts are more responsive, no more lag. Even pulling out of the driveway, it feels like I don't need as much throttle.

I can definitely feel a difference when getting on the interstate, gets up to speed with more authority and more confident shifts. Either way, a cheap and easy mod that is completely reversible if need be.

 

You need to do a fluid/filter change if its been over 100k, try that and if you get rid of slipping then try the mod.
I wouldnt do it before then because after a mod we all lilke to try it out and you dont need to stress a tranny that isnt 100%

 

Well, I was raving that I'd reached 13 pages a long time ago.
We're now up to pg19.
So come on guys, make this my first 20 paage post lol.
Al.

 

Oh yeah....I did this mod back in 2005 and now with over 70k+ miles on the clock with no ill effects.
Hope I haven't just jinxed myself right there??? lol.
Al.

 

How do I determine which tranny I have?

I have the '03 but I'm missing that group of wires.

 

Hmm you shouldnt be missing that group of wires lol.
Build Sheet, or look at your Tranny bottom someone said they may be stamped there.

 

did this on my 02 4.7 and loved it

 

Here's a pic of my truck (the bottom image in post #177)
https://dodgeforum.com/forum/2812396-post177.html

My truck was made in Oct '02 .. it is the 'tradesman' model

I will look under the tranny.