8 speed

  1. G

    RCSB 6speed 3.55 VS RCSB 8speed 3.21

    Hey Guys! New to the forum. Scoured through the posts but couldn’t find the answer I was looking for. I’m looking at a few different rams right now. But 2 in particular. I’m a current new business owner and right now have to many vehicles and want to consolidate into a truck that can do...
    • Galahad144
    • Thread
    • 2015 ram 1500 2016 ram 1500 3.21 3.55 6 speed 8 speed tow tow capacity towing gears towing info
    • Replies: 25
    • Forum: Towing & Hauling
  2. Mister Luck

    Best Deal on ZF 8 speed Transmission Pan Kit

    I’m hoping to find a reasonable deal on a ZF 8 speed transmission pan with filter, new bolts, and drain plug ( as a kit ) for my 2016 RAM 1500 Express Has anybody found something similar to OE and made in the US ? Any current coupons or holiday special discount codes ? Thanks in advance
  3. R

    Need advice: Ram 1500 8 speed slipping

    So my transmission has always shifted pretty hard for as long as I remember but the slipping is the thing that bothers me, I was testing this on video and it only does it under certain conditions. I put it in manual mode for testing and the first shift in the video is a 3-4 shift and it slips, I...
  4. G

    MDS Shutter and shake first and second

    Hello everyone!! I am back again with more testing since my last post. To recap, I drive a 2014 1500 with the 5.7 and zf 8hp70 , I run a 93 octane tune but drive mostly with my MDS on(not full time active). About 4 months ago shortly after I had acquired the tune I noticed a slip or shake when...
  5. G

    93k miles, a transmission fluid change and still shuddering

    Hello, relatively new to this forum since I couldnt find any answers on any other forums, I have a 2014 1500 sport crewcab with the zf 8 speed and 5.7 hemi, a little over a month ago I noticed that from 1-2nd gear from a complete stop there is a shudder followed by a bump at quarter-half...
  6. B

    8-Speed Slams Into Reverse When Cold, Harsh 1-2 Upshift

    Hi all, just picked up a 2016 Ram 1500 Sport. It's CPO, had 41,500 miles when I purchased in late August and now has 43,500 on the odometer. Love the truck but this ZF 8-speed (which is great in literally everything it's bolted to) has been acting weird when fluid is cold. The first shift from...
  7. Tim Garceau

    2014 8 speed Diablo trans Tuning poll

    Just thought I’d throw a quick poll together for guys that have or have not had issues with tuning the 8 speeds using these devices. I’d appreciate any reasoning if you were unable to communicate via firmware or other failure modes. Maybe drop in your door build date or dealer reflash for...
  8. JS1500

    What's the consensus on fluid change for 8 speed?

    What's the general consensus on changing the 8 speed transmission fluid? Should you attempt to change it or just trust that the fluid lasts a really long time? I don't know how sold I am on the idea of it being "lifetime fluid."

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