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Can anyone give me some info on my cousins truck. It's a 86 250 ex cab 2wd 8'bed 6.9 4speed but it has a 2 speed T-case behind the trans. The 2 speed started clunking yesterday so he hasn't been running it. Is the 2 speed a chain drive or gear on gear? Any other ford trucks come with the same case if his is junk?
Thanks
I've been doing some more searching and all I can figure is maybe it's a gear vendor....
Last edited by 79_250RangerLariat; Jul 21, 2007 at 06:18 PM.
Have you figured out why it has a transfer case, but it's only 2wd? Transfer cases were only used on 4wd. Does it have a spot on the front to hook another driveshaft? If it doesn't, then it's not a transfer case.
It probably is an aftermarket overdrive unit, Ford never offered one. I believe they are a planetary gear system like an automatic tranny has. They are supposed to be bullet proof. I wonder how much oil it has in it?
Talked to my cousin tonight and he's been dealing with the local ford dealer. It seems that in 86 they did have a 2 speed t-case for on the 2wd diesel... They even had the info on file, just no info on wether parts were still available.
I don't see how it would be much different than a 2 speed rear end, or using a GV over/under. I for an example put your 4x4 t case in 4 low but leave the front hubs out. You still get a gear reduction to the rear end (granted the front is spinning but with the hubs out that's all it's doing). I don't know what the reduction is thru the case (i'll try to find out) but any reduction would help when pulling something heavy in hilly areas...even with a 2wd
I know in my 75 Ford 800 dump truck w/out the 2 speed rear I'd take for ever going up hills loaded.