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I installed a set of 5" stacks on my 1987 F-350 6.9. This thing sounds like a hot rod. I still have a starting issue. I can pull the truck off, and it runs great. I will have to check the GP this weekend.
I LOVE THESE OLD TRUCKS
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
