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Message: [QUOTE="golfer, post: 992433, member: 266"] If a truck is eating CPS's/cam sensors...and you are using Ford Motorcraft or IH t444e sensors...then you may have a cam gear that is walking off the cam snout. if this is the rebuilt engine, I would check to see if the cam gear was welded to the cam after the endplay was set. You may also want to use a dab of gear marking compound (or similar paint) on the end of 'a' CPS...run it for awhile, and see if your gear is 'wiping' the paint of the end of the CPS. When the cam gear physically touches the sensor, it disrupts the magnetic pickup/hall affect sensor, rendering the CPS unreliable/dead. we've cut apart a half dozen or so CPS's from various manufacturers, and there is a huge disparity on the location of the hall affect sensor, as well as the circuitry/filtering circuits. Due to the different physical location of the hall affect sensor/pickup in some aftermarket (and even OEM non t444e/7.3L cam sensors), injection timing can be significantly 'different' from one brand sensor to another. Though the Ford/IH t444e sensors have changed a bit over the years, internally...they are still our preferred sensor due to them being consistent & predictable wrt injection timing. [/QUOTE]

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