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  1. C

    90cc or 110cc injection pump for a 6.9idi

    Hey guys, I want some opinions on which pump to put on my 6.9idi. I was taking to Joe over at CDD and he said a 110 is at the limit, but still safe. Justin at R&D said it was too much. I’m looking for some real world experience. I don't plan to tow with the truck, just haul camping gear and the...
  2. C

    6.9 idi piston options and advice

    Alright, so I thought I had some leads on a couple of sets of pistons and it just isn't happening. Most of the venders are saying everything is discontinued or they don't have an ETA for new stock. I haven't reached out to Mahle yet to request a set so that's next on the list. I am reevaluating...
  3. C

    6.9 IDI oversized piston rings to file fit for a fresh rebuild.

    Hey guys, new to the forum, but have been lurking for a little while. I’ve been purchasing parts for my 6.9 rebuild and pretty much have all the parts needed except pistons. The engine has the stock bore of 3.995, but has two cylinders that have some surface rust and fine pitting that I can’t...

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