5.3L direct injected L83 vs 6.0L LQ4 on the dyno! See All 20 Photos Running both the stock 5.3L L83 and 6.0L LQ4 motors on the engine dyno with headers, optimized tunes, and open throttle bodies ...

We bought Project 300 (an ’87 Ford F-250) more than 2 years ago for $300. Right now, the truck is sitting in the street, waiting for its International 6.9L IDI diesel engine to be replaced with ...

Diesel Power Stamp of Approval Why we recommend hybrid injectors for entry-level 7.3L owners Budget: At just $1,850, you have an affordable injector capable of making 325 to more than 500 rwhp.

The 7.3L Power Stroke revolutionized Ford's turbo diesel V8 lineup Ford By the time that 1994 rolled around, Ford had already been manufacturing a 7.3L diesel V8 for over a decade.