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Power Strokes
94-97 Aftermarket
zf5 to zf6
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[QUOTE="Charles, post: 14812, member: 103"] I just wish somebody had slapped me in the mouth and maybe shook me real hard a couple times when I went to buy that ZF6 after having already taken out the original unit that came in the truck. Master/slave assemblies dying on a monthly basis, generally shifting like garbage all the time and all the rest. You'd have THOUGHT I would have made a better decision. But.... I just kept thinking I could fix all the bs and have something nice. But no. The engines make too much torque for a dry clutch system to hold and shift well at the same time. A turbodiesel is meant to twist on a torque converter [i]with[/i] a tripple disc clutch, not just a single or dual disc clutch with absolutely no way to apply power like a converter can when unlocked. My 550 makes ~300rwhp and after making numerous 2.5hr trips from the farm through hay season last year the ZF6 is about 50% trashed. I've gotten pretty good at feeling when it's about to pop out of 4th gear at WOT and just short-shift it to 5th now. I had hoped it was just a fluke when I burned up the last ZF6 in my truck and also hoped that the 4.88 gears and running in OD as opposed to direct would have allowed this one to last. Now I wish I had come up with some kind of massive cooler for it. I only have 325 dollars in the clutch on this truck, which is the reason it's still a ZF6. And for someone already running a manual, it makes sense to stick with it sub 500hp, although obviously if you intend to tow like you have a pair, something has GOT to be done about the inability of the unit to adequately cool itself. Now when it comes to actively cutting sheetmetal and driveshafts and such to do a custom transmission swap in a vehicle though... I just can't sit idle and watch someone go to such lengths to install such an inferior design. And I just don't know how to put it nicely I guess. But like I said, I'm not trying to tell anyone what to do with their truck. I'm just offering that slap to the mouth that only a truly honest guy will give a friend when they need it. [/QUOTE]
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94-97 Aftermarket
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