Should I get this diff carrier?
Ford Racing M-4204-F318C - Ford Racing Traction-Lok Differentials - Overview - SummitRacing.com
should I do this? is this thing going basically be stock trac-lock or are the clutches tighter? (one reason I wanted to do it myself was to pack more discs in to tighten my.. yeah) also wonder if near this price range if I can find a decent locker with carrier, or if I should spend $100 more on the Yukon.
this isnt something I want to do, id rather wait until I can regear and strengthen up my rearend.. it's like throwing money into worn motor instead of swapping in a newer roller, but it has to be done if I wanna keep driving my Bronco.
Also, most lockers are about $200 more then this set-up. I imagine this set-up will be more or less like a stock trac-lok.
Now if you already have a Ford Trac-Lok in the truck and you want a big improvement on the cheap just buy the rebuild kit Ford Racing 8.8" Traction-LOK Rebuild Kit w/ Carbon Discs M-4700-C - Free Shipping! and replace the guts but when you do that restack the disks so they alternate Friction-Pressure-Friction-Pressure and add an extra friction plate on each side using the best of the old ones you take out, that will preload the spring more and give you near locker perfomance.
Money is a big issue right now, I sorta just went on a spending spree.. no way I can justify a regear. I don't mind the labor, honestly, carrier is just one step further than clutch disks, unbolting a few bolts. I don't mind unbolting a ring gear, mesh is already set.
So this is just stock without any special materials used? I assumed it would come tighter, use different materials for the clutch pack, stronger carrier or something, I dunno.
I'll just change the clutch pack and call it a day, then I'll regear when I can afford it.
Terrified of that one bolt that seems to break on everyone.
oh, and trust me, the stock LSD is nowhere near useless offroad.. you gotta compare to an open diff (how mine acts now) before you understand this. LSD isn't a locker replacement, I know that, but man trying to go up a small gravel hill? a true one wheel spin? Even a LSD will give a little torque to the opposite wheel.
I can barely back out of my driveway with snow on the ground because there is a little 1'' dip before the road.
I have like 1/4th of a turn of my driveshaft in play at the spiders. Last time I looked they looked good, scared they're gonna be in pieces next time I remove the cover.
Bottom line though is the factory Trac-Lok is capable of fairly impressive traction when setup correctly so by all means do that first, and if you find that your spider gears are worn when you tear it down just replace them with a set from a junkyard diff.. tolerances on these parts aren't that tight(unlike the R&P) so there's no problem transferring them to another axle.
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No idea where to find them and i'm not waiting another day to have my bronco back
ended up packing it f-s-f-s-f-s-f then spacer, using .035... this was a pretty easy job if I had a hand. I spent an hour trying to get the upper and lower gear back in and aligned because I had to do it by myself.
overall though, really easy job. If I had known it was going to be this easy I would have done it sooner. Luckily, the S-Spring went in with a hammer hit, just had to start it at an angle and all was good.
My old clutches were as smooth as my new spacers. There was no clutch material left at all. I do wish I had bought the carbon kit, but I'll probably buy it when I finally regear if I don't decide I want a locker. Just about everyone says when you repack it this way, the clutches wear quick but they are really, really tight and offer amazing two wheel traction.. i'm excited
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this is the one I picked up.. amazing quality, couldn't believe how strong it was for the price. Worth its weight in steel, that's for sure.
Problem is, I only have about 1/2'' overlapping on my frame, it needs to be a tad wider. I think I can bolt it up to the top of my frame right behind the bumper but I'm going to have to add L brackets for support to mount a winch. I actually have some old bumper brackets that I think will work.
if it were just a bit wider i'd definitely buy another one to add as a cross support in the rear near my shock mounts. I still might anyways, this is good steel
and yeah, there weren't gonna be any pictures. It's a sloppy job and it was cold outside, just above freezing.
I'm still pretty sick and .. well, also gonna get in trouble by the girl if I start taking more parts off of the Bronco before I even test my rear end.
edit: http://manuals.harborfreight.com/man...0999/90476.pdf
here are the instructions.. I know 'universal' means 'shut up and enjoy the good deal you got on this steel plate, some modification definitely required' but you know how nice it would be if I just got under there and it bolted up without any real work?










