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Power Strokes
94-97 Aftermarket
manual or auto
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[QUOTE="Charles, post: 639576, member: 103"] If I were to have to drive a manual trans in a superduty, I would choose an Eaton/Fuller 9. If it's going to be slow as balls and sh*tty to drive, it might as well be strong and capable of towing without melting down. I've melted 2 ZF6's now at 300rwhp. That's not 110hp in a 300hp program. That's 300hp to the ground almost constantly for a couple hours at between 25 to 30,000lbs at interstate speed. I would take the KW, but the motor in the little trucks is more than willing, and the little trucks don't have to stop at the weigh station, can get in and out of fuel stations and burger joints easy, but the pos trans always gives up on me. Conversely, I've made the same trips with the 4R100 at 4 to 500rwhp nearly continuously, one time actually consuming more water through the water injection system than DIESEL fuel through the engine...and the trans fluid looked like new. The fluid is always scorched black in the ZF. I don't recall ever pulling the plug that burnt, stinky mess didn't come out. That's in my 250 when it had two of them, and my 550 that's on it's 3rd one. I have added a big auxiliary cooler to the 550 in hopes of helping it out, and I drive like a total pu$$y when I'm towing heavy now, and hopefully I won't have to put ANOTHER pos trans in that truck to keep it rolling down the road without my foot braced up against the stick to hold it in gear under power. And that truck's only ~300rwhp. Flat to the floor it will not exceed 1250 degrees for eternity. Which is why it will see a ZF6 in hell before a single damn is given by that 7.3 [/QUOTE]
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