Isx 870 with 1.2 million miles 05 international

[Waterloo]

Me, I would do it myself, buy the tools or rent/loan from another shop. There are a few specialty tools that you will need to do it right. Watch the Rawze videos on the engine rebuild, follow Quickserve to the letter and you will have a solid motor.

That is what I did when I rebuilt mine in Rawze's driveway. Do not trust a shop, unless it is Mr Hagg's or Unilevers. Many of us have been burned by these Cummins certified ASE mechanic shops, they are butchers in most every case and have no business rebuilding anything, few if any shops out here can rebuild these motors properly. There is a long list of folks here, including myself to testify to that.

Remember this, if you buy another truck, a newer one, you will be in framing it it short order in most every case. Stay with the equipment you know and fix it. Just my .02.