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While you're at it....
Did the surging start right after you changed the oil??
My truck (in sig) doesn't like 15w40 viscosity, it would surge all the time. It runs best on Rotella Synthetic 5w30.
Dave
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2003 F-250, 4x4, CC, SB, 6.0 PSD w/Torqshift, Lariat, Toreadore Red/Arizona Beige
- Airaid intake
- MBRP Turbo-Back Exhaust
- Cross Over Fuel Line and 1/2 Banjo Bolt Mod
- Quadzilla Commander
- Zoodad Mod.
- Doorseal Mod.
- X-Springs and F-350 Blocks
- Full Traction 4.5" Hanger lift
- ProComp Add-A-Leaf and Velvet-Ride shackles
- BFG 35" All Terrains on Ultra Predator 17x10s (Hub-centric)
- Centramatics
- Timbrens
- Extang R/T Tonneau Cover
- EZ Down Tailgate Strut
- C.R. Laurence PowerSlider Rear Window
- Sirius Sat. Radio
- Polk Ex3 5x7s and 2 JL Audio 10w0s
driven by a 6 channel amp
- SCT from Innovative (WOW!!)
OH, and new heads from Ford along with an EGR Delete and Oil cooler at 195,000 miles.
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