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08-04-2007, 07:46 PM
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#1 |
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love my truck
Join Date: May 2001
Location: aylmer QC
Posts: 648
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noisy lifter
I have a bad lifter and I was wondering if i can just change the one or do l have to change them all. Also someone told me l should change all the push rods, is that necessary?
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08-04-2007, 07:50 PM
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#2 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: noisy lifter
before takin apart or changing any thing add a pint of marvelmystery oil to your crankcase
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08-04-2007, 08:35 PM
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#3 |
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Active Member
 
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: noisy lifter
If the additive doesn't break it loose, and you're sure that the cause may be a collapsed lifter, I see no reason why you can't replace just the one. I've done that before...
On the other hand, if your engine is old and your lifters are gummed up, then I agree that you should go with the set. You'll have the intake off anyway. As far as the rods, the only time I replaced them is when one of them was bent. It's really your call... |
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08-04-2007, 09:08 PM
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#4 |
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Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,135
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Re: noisy lifter
Marvel mystery oil didn't help mine. Don't have the time or money to tear into it right now (trying to fix 6 other things right now). I am just going to adjust it like a solid and quiet it down a bit. A good mechanic I use recomended this to hold me over.
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08-04-2007, 10:31 PM
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#5 |
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Registered User
Join Date: Aug 2005
Location: Hillsboro Oregon
Posts: 6,449
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Re: noisy lifter
I had this problem. Replaced all the lifters and it still made noise. Turned out to be a scored lifter bore
 The fix was to build a 476 for it 
Last edited by Frizzle Fry; 08-04-2007 at 10:32 PM. |
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08-04-2007, 10:36 PM
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#6 |
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love my truck
Join Date: May 2001
Location: aylmer QC
Posts: 648
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Re: noisy lifter
l replaced the cam and lifters 4 years ago with a RV cam from edelbrock.
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08-05-2007, 07:10 AM
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#7 |
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Registered User
Join Date: Mar 2004
Location: St. Louis, MO
Posts: 336
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Re: noisy lifter
I also had a collasped lifter. Replaced the one lifter and everything was fine. Don't run it too long collasped.
Last edited by dave3156; 08-05-2007 at 07:11 AM. |
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08-05-2007, 09:39 AM
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#8 |
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Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,814
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Re: noisy lifter
New lifter on a used cam can be a bad combo - the more agressive finish on the new cam can flatten a cam lobe. Not an absolute no - but it's a risk.
Be SURE it's a bad lifter and not a flat lobe or bent pushrod. I'm not RECOMMENDING this, but the times I have had to replace a lifter, I've chucked it up in a lathe and taken a little emery cloth soaked in solvent to the foot LIGHTLY just to take it down a notch. |
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