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noisy comp lifters #1480899
08/07/13 07:37 AM 08/07/13 07:37 AM
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My hydraulic 284XE comp cam and comp lifters in my BB with 1.6 aluminum rockers are noisy. I have adjusted them tighter, looser and it doesn't make much difference. I am considering changing lifers. What if any break in will be needed for new lifers on a used cam?
Re: noisy comp lifters [Re: mopfried] #1480900
08/07/13 07:56 AM 08/07/13 07:56 AM
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Yup, gotta break em in just like before. I used crane anti pump ups in my 408 as recommended by Ryan J and it worked out good.

http://www.cranecams.com/product/cart.php?m=product_detail&p=24799
Re: noisy comp lifters [Re: mopfried] #1480901
08/07/13 08:00 AM 08/07/13 08:00 AM
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What makes you think it's the lifters and what do you mean by noisey?
Re: noisy comp lifters [Re: JohnRR] #1480902
08/07/13 08:39 AM 08/07/13 08:39 AM
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It just sounds like it has solid lifters in it. I have tried 1/2-3/4-1 full turn and it still clicks like its out of adjustment. I understand the aluminum roller rockers may make it noisy.
Re: noisy comp lifters [Re: mopfried] #1480903
08/07/13 09:12 AM 08/07/13 09:12 AM
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Check to make sure the rockers clear the spring retainers ok.
Re: noisy comp lifters [Re: Yellow Fever] #1480904
08/07/13 09:23 AM 08/07/13 09:23 AM
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XE cams are aggressive on the ramp and do sound noisey.

MLR426
Re: noisy comp lifters [Re: MLR426] #1480905
08/07/13 09:29 AM 08/07/13 09:29 AM
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South-Central (Sebring), FL
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Quote:


XE cams are aggressive on the ramp and do sound noisey.

MLR426


X2
End of story. Nothing you can do about it.
Re: noisy comp lifters [Re: Commando1] #1480906
08/07/13 10:29 AM 08/07/13 10:29 AM

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Nothing you can do that series of cams clatter--I think closing ramps are the culprit.

Re: noisy comp lifters [Re: ] #1480907
08/07/13 11:59 AM 08/07/13 11:59 AM
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I don't like it. Would switching to Iron rockers help quite it down any? I know I would lose a little lift...Im using 1.6 rockers now.
Re: noisy comp lifters [Re: mopfried] #1480908
08/07/13 01:47 PM 08/07/13 01:47 PM
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Quote:

I don't like it. Would switching to Iron rockers help quite it down any? I know I would lose a little lift...Im using 1.6 rockers now.



no , you have to change the cam out to something stock and wimpy ...

Re: noisy comp lifters [Re: JohnRR] #1480909
08/07/13 02:13 PM 08/07/13 02:13 PM
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Turn the radio up or drop the mufflers.

Re: noisy comp lifters [Re: mopfried] #1480910
08/07/13 02:25 PM 08/07/13 02:25 PM
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Bend,OR USA
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Quote:

It just sounds like it has solid lifters in it. I have tried 1/2-3/4-1 full turn and it still clicks like its out of adjustment. I understand the aluminum roller rockers may make it noisy.

How are you adjsuting them, hot or cold? Are the heads aluminum ot iron? If aluminum make sure and set the preload hot I run a Comp Cams XE295HL cam and lifters in one of my 440 with Eddy RPM heads and Harland Sharp 1.5 rockers, nothing noisy in the valve train on it

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: noisy comp lifters [Re: Cab_Burge] #1480911
08/07/13 02:50 PM 08/07/13 02:50 PM
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452 Iron heads. I adjust them cold 7/16-20 thread on the adjuster = .050 per turn. I loosen them and slowly tighten them until I feel drag on the push rod then turn them to what I am setting them at. Should I go more than one turn?
Re: noisy comp lifters [Re: JohnRR] #1480912
08/07/13 02:51 PM 08/07/13 02:51 PM
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Quote:

Quote:

I don't like it. Would switching to Iron rockers help quite it down any? I know I would lose a little lift...Im using 1.6 rockers now.



no , you have to change the cam out to something stock and wimpy ...



Thanks John... I already have 4 mufflers on it.... Its fairly quiet until I get into it.
Re: noisy comp lifters [Re: mopfried] #1480913
08/07/13 03:03 PM 08/07/13 03:03 PM
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Quote:

452 Iron heads. I adjust them cold 7/16-20 thread on the adjuster = .050 per turn. I loosen them and slowly tighten them until I feel drag on the push rod then turn them to what I am setting them at. Should I go more than one turn?

I would try setting them warm, as a last resort I like and use the method of setting the valves by turning the motor over on the starter with one valve cover off until the exhaust valves starts to open and then set the preload on the intake rocker arm, I then bump the starter over until the intake valve opens all the way and starts to close a tiny little bit and then set the exhaust preload, same thing on the valve lash I usally do one side and then button that side up and run the motor some more to warm it back up and then do the other side I don't like or use the Mopar, Chevy charts

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: noisy comp lifters [Re: Cab_Burge] #1480914
08/07/13 03:15 PM 08/07/13 03:15 PM
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Cab, I will try that.... How much preload?
Re: noisy comp lifters [Re: mopfried] #1480915
08/07/13 06:03 PM 08/07/13 06:03 PM
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Quote:

452 Iron heads. I adjust them cold 7/16-20 thread on the adjuster = .050 per turn. I loosen them and slowly tighten them until I feel drag on the push rod then turn them to what I am setting them at. Should I go more than one turn?



7/16-20 adjusters ??? Those would be HUGE, all adjusters I have ever seen were 1/4-28
Re: noisy comp lifters [Re: JohnRR] #1480916
08/07/13 06:24 PM 08/07/13 06:24 PM
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Last edited by mopfried; 08/07/13 06:27 PM.
Re: noisy comp lifters [Re: mopfried] #1480917
08/07/13 06:35 PM 08/07/13 06:35 PM
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Quote:

On aluminum roller rockers?

http://www.ebay.com/itm/Crane-99680-2-Ro...r#ht_1514wt_808



Well there you go , I have yet to use a set of alum roller

Now I need to look at the iron ductiles I have ...

Re: noisy comp lifters [Re: mopfried] #1480918
08/07/13 08:20 PM 08/07/13 08:20 PM
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Quote:

Cab, I will try that.... How much preload?

On the 7/16 x 20 adjuster I would start with 1/2 turn warm or hot Let us know what you get

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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