Oct 14, 2025 · 6.9L IH & 7.3L IDI Diesels Own a 6.9 or a 7.3 IDI? This is for you! IDI Tech Article Here you can find articles pertaining to the 6.9 and 7.3 IDI.

Dec 25, 2025 · A forum all about the Ford, Chevy, Dodge Diesels.

Dec 16, 2020 · The gm idi isnt nearly as strong of platform for bigger mods, and typically pulls a little harder in the higher rpm (like a smaller engine) and less in the lower rpm than the ford IDI.

Introduction The 6.9 and 7.3 liter V-8 Ford diesel produced by International Harvester, uses an Indirect Injection fuel system, which consists of several parts, most notably of which are the Stanadyne …

May 29, 2012 · In the link below is a downloadable PDF version of the Ford Service Supplemental Manual. This link is also shared in the 6.9 IH & 7.3 IDI forums but I...

Dec 22, 2017 · Kinda of new to Ford stuff. just bought an old F250 w/7.3 idi engine. From reading chatter here, it seems that the consensus is 15-40 of whatever brand, but my book says straight 30w …

Nov 11, 2009 · Maybe the turbo'd idi's made that much? Only change in the 87-91 7.3 and The 92-94 that I know of where the injection pumps having a torque screw.

Jun 5, 2025 · hello again everyone so my idi takes forever to start after letting it sit for more then a few hours. when it does start it will run great for a second start to misfire then die then i have to crank the …

Dec 22, 2020 · This thread is how to set timing on your NA or Turbo 6.9 or 7.3 F250 or F350 pick up. When should you check your timing? Every 30,000 miles. As your pump and injectors wear, they …

Jul 11, 2018 · I scooped up a 85 international s1654 with a 6.9 in it and a spicer 5 speed. I know it's not a ford idi but I'd rather post here that the medium duty forum because this post is mainly about idi …