Ford 6.9L / 7.3L IDI Diesel V8: Complete Expert Guide to Performance, Reliability, Common Problems & Maintenance
“How can an engine with zero electronics, no turbo, and 1980s technology still outlast modern diesels with 300,000+ miles on the clock?” The Ford IDI 6.9L and 7.3L (Indirect Injection) diesel V8 engines — designed and manufactured by International Harvester (later Navistar) — powered Ford heavy-duty trucks and vans from 1983 through 1994. These fully … Read more