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I want to thank Rwatson, Blade35 and everyone else for their help with my problems. https://www.ford-trucks.com/forums/1...unny-idle.html and https://www.ford-trucks.com/forums/1...de-2286-a.html
As an up date, I followed their advice and ran the Archoil for a couple thousand miles, then changed to T6 last week. Since I changed to the synthetic, my truck runs much better. It has power even just cranked cold, the mileage has gone up and the cylinder 1 and 4 contribution codes have gone away. Its only been a week since the synthetic but what a change! I always ran dino 15-40 up to now and got romps and funky running at every oil change. This stuff ran great from the first cold crank.
Another question: what part number do I need for replacement stabilizer bar bushings? I replaced the links last year but the squeaky bushings do not stay quiet for long after greasing them. I bought a set at OReily's that were too small. I have 4wd with the larger bar, think its 1.25 dia.
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.