Got a 2006 F350 SRW, what are the best options for adding limited slip? This truck is used on road and on a farm. Want good street performance. Prefer easy installation.

 

either a detroit truetract, or a arb air locker, allot of guys have the detroit but as soon as i get the money im getting the air locker. full open when unlocked so awesome street performance but full locked when you need it.

 

Anything Eaton makes for your truck will be a significant improvement. Install is going to be a pain one way or the other because you have to pull the whole carrier out, so either get all the gauges and do it right, or have someone install it for you.

10.25" Eaton Limited Slip Differential
10.25" & 10.5" Full Float Detroit Locker

 

Eaton now owns Detroit/Tractech traction products.

I've used True Trac limited slips before and would only use them in the future based on how well they worked for me. It was kind of funny though because about a week or two ago I was talking to a driveline shop about limited slips and they were talking about how the True Trac was more expensive. They were trying to sell me something that was a hundred dollars less and touting how it could be rebuilt. I said, well, it's got clutches that wear out over time and the response was that was a positive because then you could put in new clutches. I said, well, the True Trac is gear based so there aren't any clutches to replace, right? He said, yeah that's right (like it was a negative) and said, when the True Trac wears out you need a whole new unit. So, I asked how long the True Trac would last. He kind of hesitated and said, oh, well, it's going to go at least 150,000 miles depending on how hard it gets worked. Basically he said it's the same as any differential. It's rated, based on what he said, to last as long as any OEM differential. Then he hesitated again and said, yeah, you know what you're not going to wear it out.

The stock Ford limited slip has clutches and wears out. I don't like that. I've had True Tracs in the past and they worked well. I haven't had a vehicle for 150,000 but I'm glad to know the True Trac would have lasted at least that. With my Super Duty I'll put a True Trac in when I can afford it, maybe front and rear True Tracs, knowing they'll likely last as long as the rest of the drivetrain.

 

Put in a True Trac a couple months ago. Already kept my rear end straight in the rain.

 

Anyone try a truetrac in the front? Supposibly they say the truetrac is good for the front too. I want new diffs badly but I need a regear too. Don't have the $3300 or so for gears, 2 diffs, bearing seal kits and install now. Guess collecting info don't hurt until I get the cash. When I do finally do the swap no way I'm going with anything with preloaded clutch packs in it. After 35k I changed the oil i my rear diff and the oil was contaminated with very tiny friction material specs, not good for the bearings.

 

I've had a True Trac in the front and it's t*ts. The reason I haven't put them in my current truck is I don't have enough money for both and I'll do both at the same time, front and rear. If I didn't do a selectable locker (which I don't want/need) I'd do (and will) a True Trac in the front.

 

I bought one of those great deal leftover '08's early this year. The deal was too good to pass up, but it lacked the off road package with skid plates and the LS diff. I towed a 6K+ pound enclosed trailer over 400 miles yesterday, love that truck, even with the "wimpy" 5.4 & 3.73's! The TS tranny makes a hero out of that rig...

Back on topic - I added the skid plates and want to add the Detroit TT as well. I have not seen cost numbers thrown out, can anybody give a rough estimate (I know it varies based on the area) for the TT unit and an install?

Thanks

 

I am curious about prices too, as well, are there any drawbacks to the True trac?

 

Not sure how close you are but checkout.

Randy's Ring & Pinion. The Differential Experts. Auto Parts & Services.

 

True Tracs are about $550 or so, give or take.

Installation seems to vary more than the price of the True Trac. I've found installation to be about $250 - $350 in my area. Depending on your mileage you may want new seals, bearings, etc. as well and that'll be a handful of dollars more (not much more, but you might consider the price to be about $900ish an axle).

 

Good to hear. Was the steering more harsh on the truck you had the truetrac in the front axle on?

The price point is what made me think of putting a truetrac in the front and rear. For some reason air lockers, e-lockers and cable lockers are a lot more expensive than a truetrac.

 

No, the True Trac doesn't make the steering harsher unless you're in 4wheel drive and even then, because it's a gear based limited slip it is much smoother than clutches. Clutches are "grabby" in comparison.

I will say this. On a Jeep I was building, I was rebuilding my transfer case and at some point I had my rear driveline (driveshaft) removed. I had to drive around town and driving in front wheel drive (4 wheel high, with rear driveshaft removed) it was somewhat jerky, but not excessively so. It had no more feedback than a Ford Escape I used to drive for work that was front wheel drive. There was "torque steer" when you accelerated from a stop, when pulling from a stop sign or stop light you could get feedback in the steering wheel. When I was driving in 4wheel drive in a slippery situation I never experienced any "torque steer".

I think the only way you'd notice you had one in the front is when you drove through stuff you wouldn't otherwise make it through, or if you had to drive around without a rear driveshaft

 

Coming from a guy who has owned a trutrac, detroit locker, ford LS and an open diff.........I love the TT!!! I installed it about 6 months ago and don't even know it's there until I need it. No shuttering or noises like the locker and it won't wear out like the factory unit. I would have to say it is the best thing I have done for my truck. I plow snow for my side gig and the traction gained from the unit is night and day.

I think I deserve a kickback from Eaton for this endorsment.

 

I checked at Summit Racing and they have the TT for the 10.5" Ford for $539.00.

For anybody interested, there is usually a 10% off coupon code available off the internet for Summit. It would put the price at about $485.00 or so, not too bad......

Randys R&P did not have one on the web site, they may not keep them in stock (?).

This will be going on my truck soon. I think I will do the rear first, and if all goes well, do the front later. My truck's a keeper, so it's looks like a good investment to me.