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Power Strokes
7.3 Aftermarket
rpm issue
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[QUOTE="lincolnlocker, post: 1063877, member: 944"] your telling me!! that is just wacky!! yeah, this thing keeps getting wierder and weirder... I wrote down my measurements from the block to the gear each time I did it and like mentioned, I prolly didn't get spot on even every time.. but I can see that being under load would make it worse.. the sensor has to have been rubbing this entire time that it was only running 3500rpm.. I put enough shims in to clear the 1.113" measurement at 1.10" from the tip of the black cps to the spot where it hits the block and drove it around. while still trying not to boost the chit out of the fresh headgaskets I put it in my dd tune(first time in 4 years its been outa the hot tune) to keep boost mild and a lil more controlled and put it in second gear to slowly build the rpms.. it creaped past 3500rpm and when it hit 3800 it stumbled and the cel popped on. BAM cps intermittent code.. cleared the code and did it again, just barely hit 4k rpm this time and BAM cel with cps intermittent again.. so either the cam/gear is moving to close again and the .003" of an inch isnt enough or it is walking away from it and creating more of a gap... so tomorrow I am gonna add another shim, which I think I am at .040 now, and see if it gets better or worse.. the shims I have aren't perfact. I think I measured the thicker ones at 11 thousandths of an inch and the thinner ones at 3 thousandths of an inch. but I can't remember right now exactly what they where... so I think I have it going in a better direction now.. but still unsure.... live life full throttle [/QUOTE]
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