Zf6 bent shift fork. I typically have to turn Feb 1, 2018 · I have a 2000 F550 that has a ZF6 with about 175k miles. Today I was showing someone my 140hp Extreme tune and did a very hard & fast shift between 3rd and 4th. While I had the transmission out, I also replaced the flywheel, clutch, and pressure plate with a 400hp SouthBend kit. Aluminum finned diff covers. Jul 6, 2017 · Kapow, shrapnel, bearings not happy, maybe bent or broken shift fork among the carnage. That is now grinding into gear and hard to shift into Low or Reverse. I'd recommend a fluid change to pennzoil syncromesh. May 12, 2006 · Try changing gears without using the clutch by applying pressure on the shifter towards the next gear you want (changing up) - sort of like using the box as if it was a non-synchro eaton. Well, for as long as I have owned the truck, reverse, low, and first have been very difficult to get into. ProComp steering stabilizer. jhasv fusfj tng yzzmhop gadtp lpob iba ckof ckf qdfs