My truck currently 01 f150
8.8 disk brakes!
Reg cab long bed
I have a 10.25semifloating disk brake axle from 99f250 I want to swap into my truck. Is there a drive shaft that is in another truck I could use for this swap? Maybe a f250 with 4r100 and 10.25 would be close to the right length ? Ideas
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I have always had terrible luck with 8.8s had ranger that busted a tooth had 150 that blew up center and a friend who baby her truck had rebuild the whole thing and now this axle I already at 128k axle shaft bearing was smoked! So I'm just sick of 8.8s and figure I will put axle in that I couldn't posssibly hurt with this six! Plus I want the gearing 373 with posi for my 19foot boat on the launch Ramps!
I may just use a axle that was rebuilt for my friends truck but I need to swap it over to disk brakes if it's gonna be a lot cheaper to swap that but I'll just end up with problems with that one down the road as I always seem to have ! It's a 355pos but I just like the peace of mind of having an axle that is much stronger than I'll ever need
Is that a 28 spline or 31 spline?
8.8's are relatively strong and reliable axles, odd your seeing so many issues with it.
I know the 8.8 out of the Explorer (31 spline) is a go to axle in the Jeep world to replace the crappy Dana 35. They handle a lot more abuse on trails than the 4.2 can put out on the street.
I don't know if any of the 8.8 where 31 spline or not never bother to count but I I can only assume that the. 355 posi I have is a 31 cause I don't think 28 has the option for posi! I could be wrong but even if it is the 31spline it was already completely rebuilt at 130k
Just did a little searching, the F150 8.8 is a 31 spline.
Still, odd your having issues like these. I know the stock diff is a weak point and is suggested for a complete upgrade (like a full locker) and the tubes have been known to spin (they are held in by 3 rivets, the fix is to weld them), also some say the shafts are a little weak, but this is for off roading builds, not street use.