IDI Diesel Specs
Information regarding the IDI diesel engines that laid the foundation for today's potent power plants. While an old IDI may lack in the performance department, they are reliable workhorses that lurk in the shadows of today's 350+ HP diesels. IDI diesel specs provides information and the history on early IDI engines, specifically the 6.9L/7.3L Ford IDI & 6.2L/6.5L General Motors engines.

While indirect injection diesels lack the luster & performance of modern direct injection diesels, their simplicity offers superior reliability and dependability. Mechanical IDI diesels lack the electronics of modern engines, making them easy to service/repair. Don't let the low hp/torque ratings fool you, these engines are serious work horses of years past.
IDI Diesel Information
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- 6.9L IDI Diesel (Int./Navistar)
- 7.3L IDI Diesel (Int./Navistar)
- 5.7L Oldsmobile Diesel
- 6.2L GM Diesel
- 6.5L GM Diesel
- 5.9L Cummins 12-valve
- IDI Diesel FAQ
- Additional Resources
- Newsletter