4R100 Shift Kit

[bbboomer]

I am thinking of putting in a shift kit to firm up the shifts.
Does anyone have a experience/recommendation for which kit to use?
My truck is a basically stock 2001 7.3 with 4" turbo-back exhaust, Super Chip Tuner and K&N intake. I rarely use anything but the tow safe tune and don't tow anything anymore but the shifts seem a little soft.

[dzchey21]

Miles please

[scottran]

I install a Transgo Tugger shift kit in the ones I rebuild. It also requires some mods internally when installing to get the full effect.

[silverF250]

I installed a sonnax kit pretty easy to do and it will firm up the shifts and it's pretty cheap.

[bbboomer]

The truck just rolled 100K, the trans was serviced last about 20K ago so it is close to time to do it again. It seems to work fine but I want to firm up the shifts a little.
I have done a little research on the Tugger and Sonnax kits. It seems the Tugger is more geared for towing, especially downgear braking.
I don't think that is a priority for me so maybe the Sonnax is what I need?

[Tony V]

Just get you a valve body. I think it will serve your better. Also your trans should be fine to run ur superchip on high performance.

[bravo-man]

Yea i would get a VB from bts or JW

[silverF250]

If your just looking for firmer shifts than a Sonnax kit is fine. You can go through the expense of a valve body but if your not towing heavy it's not really needed. The Sonnax kit will take you about 10 minutes longer than doing a new valve body both can easily be done by you.

[kegcrawler]

"sorry to jump in on your post but..." wouldn't a transgo or sonnax shift kit and a new VB do basically the same thing? is the VB really 3x better? to a broke guy $60 is alot better than $225 if they basically do the same thing...

if you were to go the Transgo shift kit route, would you just buy the performance one ($60) if you just want to firm up shifts and not drop the tranny, not the transgo tugger...

I saw the Sonnax kit for like $30, is there something else that goes with it or is that it?

Would you get a new deeper transmission pan too, I know the 6.0L cooler is better but isn't a 7.3L rated for like 28000gvw?

sorry to hi-jack your thread but i am killing myself trying to figure all this out so i thought i would jump on board with your post...sorry

[silverF250]

The $30 Sonnax kit is it and it could fit in your back pocket. It goes inside the valve body. You don't need to get a deeper trans pan the 6.0 trans cooler will keep it plenty cool. The Sonnax kit will firm up your shifts.