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Ford 1995 F-350/450 diesel

F

farmer boy

Well-known Member
Is the trans in the 450 the same as the 350 or different. I heard that the auto trannies with the 7.3 diesel 250/350 were weak. Anybody had much experience with this stuff? TIA.
 
tannys are fine, the torque converters suck a bunch.. if you get a high performance billited torgue converter with double lockup clutches they will do fine. Its all the towing that overheats the weak torque converter and makes if fail. then the tranny need to be flushed out to get all the trash out of it and new converter installed.
 
I bought a used Dodge Cummins, with an aftermarket Banks turbo, etc., etc.- it started slipping in pretty short order, so took it to the local tranny guru. He smiled and said he knew what the problem was before he even got into it. Dodge comes with one of three torque converters, ranging from weak to strong. Factory hot rods had the strong converter, but the ones with the weak ones invariably got the new turbo, chip, exhaust upgrade, etc. and soon failed. The aftermarket stuff (bolt-on) was about 2 grand, but upgrading the torque converter was another 2 grand, and that would usually be a deal-breaker- so they ignored it, put on their stuff, and let the customer deal with upgrading the rest after it failed.

The sad part was, the good torque converter was only a couple hundred more than the weak one if it was being put in at the original build- but a bucks a buck, and they economized wherever they could at the factory. Most of the cost of the upgrade was labor for remove and replace.
 
I just read this today oddly enough, but I personal don't know a thing about them.

TRANSMISSION CAME WITH AN ALUMUNM 4 GEAR FORWARD PLANETARY THAT OVER TIME WILL CRACK AND YOU WILL BE LOOKING AT A 2500.00 REPAIR. WE USE A 6 GEAR STEEL PLANETARY AND A NEW HD CONVERTER
 
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