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I have been working on vehicles since I was 14 and have never encountered a problem like this! I have a 1969 Lincoln 460 in my 79 F250. When it is cold the pressure seems to be okay, as it starts to warm up the pressure will drop to 0 or close to it, then as it get closer to normal running temp the pressure comes back! Can someone shed some light on this weirdness?
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.
