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Old 07-07-2008, 05:49 PM   #1
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Lifterpreload on Anderson cam

does anyone here run a anderson n-91 cam with comp lifters? if so how much preload do you run? most hyd. rollers i set by turning the pushrod by my finger till i cant spin it, then go 1/4-1/2 a turn. but on this set up it seems they are either getting loose or something else, cause the valve train seems louder than what it should be. we've tried setting em running and not running, and same result. the lifters are brand new comp cams.
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Old 07-07-2008, 06:52 PM   #2
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Re: Lifterpreload on Anderson cam

*cough* rocker arms *cough*
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Old 07-13-2008, 10:40 PM   #3
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Re: Lifterpreload on Anderson cam

lifter preload on hydrolic cams are the same always, no matter what, unless your bleeding it off to act as a solid roller. its probably just that your using alot higher lift on a cam than your used to, it will be a little more noisy, but definetly check that your not seeing bind on your roller rockers, I broke a few studs that way on a 600+ lift cam.
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Old 07-14-2008, 07:22 AM   #4
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Re: Lifterpreload on Anderson cam

the noise is too loud for that cam, i have a strong feeling its rocker arms.
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Old 07-14-2008, 12:11 PM   #5
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Re: Lifterpreload on Anderson cam

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Originally Posted by silverstangboy View Post
lifter preload on hydrolic cams are the same always, no matter what, unless your bleeding it off to act as a solid roller. its probably just that your using alot higher lift on a cam than your used to, it will be a little more noisy, but definetly check that your not seeing bind on your roller rockers, I broke a few studs that way on a 600+ lift cam.



more lift than i'm used to? LOL the cam in me and my buddies race car was 1.090 lift i've also heard it could be a bad lobe on the cam.
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Old 07-14-2008, 12:24 PM   #6
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Re: Lifterpreload on Anderson cam

its a bigger problem than lifters, the lifters are fine...
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Old 07-17-2008, 05:56 PM   #7
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Re: Lifterpreload on Anderson cam

hey, if you and your buddy run a cam that hot why are you asking us questions?

btw, if you had swiped a lobe, you'd know by now..
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Old 07-17-2008, 06:04 PM   #8
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Re: Lifterpreload on Anderson cam

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hey, if you and your buddy run a cam that hot why are you asking us questions?

btw, if you had swiped a lobe, you'd know by now..
i'm not very familier with the ford stuff. i know how to set hydraulic rollers, this is the first set i've had give me this much prob, so just seein if someone had any suggestions. car runs like a raped ape. no loss of power. rockers just won't seem to stay adjusted.
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Old 07-17-2008, 07:35 PM   #9
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Re: Lifterpreload on Anderson cam

cant get the tap to go away, after they do annd you kill the car, they come back and stay, im stumped tooand i do builds all the time.
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Old 07-17-2008, 08:05 PM   #10
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Re: Lifterpreload on Anderson cam

just turn the radio up a little louder and you will never hear the noise. Sparkplug, with that combo you should check into running a girdle on your rockers and get away from the dollar general rocker arms that you have. That will make a huge difference on your drivetrain stability at higher rpms.I still think you have other issues, posssibly a cam bearing maybe even lobe damage.
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Old 07-17-2008, 08:13 PM   #11
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Re: Lifterpreload on Anderson cam

yeah, if i do end up keeping it that will be the direction i go. guess we might have to pull the cam out one weekend to see. with the way the exhaust is i can barely hear it anyway. lol
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Old 07-22-2008, 10:00 PM   #12
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Re: Lifterpreload on Anderson cam

what kind of lift and rockers are you running?, whats the rpm limits of this engine?
all the talk of girdles has me interested, why don't you consider a shaft setup.

sounds like a nice combo anyways, be careful going down the 1320
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Old 07-23-2008, 07:36 AM   #13
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Re: Lifterpreload on Anderson cam

it's a .576 lift, not sure of the brand of rockers, was on the car already, cam is said to pull to 6800, motor has been to 7, oops but normally i shift out around 6500. a shaft set up would be more stable, bout the same as a girdle i think.
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Old 07-23-2008, 09:45 AM   #14
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Re: Lifterpreload on Anderson cam

i believe the rockers may have come from Toys-R-Us , walmart maybe??? idk
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