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24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps

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  #1  
Old 02-06-2012, 10:04 PM
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Default Valve Lash
Hey guys Im doin the valve lash on my truck, Im planning on sticking to the .010 and .020 Ive heard of bringin them down .002 or so does it make any difference, Im goin for fuel milage and power. Thanks guys take care.
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Last edited by RanchhandTCR; 02-06-2012 at 10:09 PM..
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Old 02-06-2012, 10:17 PM
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As in taking them to 0.08 and 0.018? I don't suggest it at all. Too little valve lash will cause the valves to not close properly.
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Old 02-06-2012, 10:54 PM
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8 and 18 is a very good way to go I have both of my trucks set this way and it is awesome the turbo spools faster and valve rattle is all but gone!
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Old 02-06-2012, 11:04 PM
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Originally Posted by RAWilliams View Post
As in taking them to 0.08 and 0.018? I don't suggest it at all. Too little valve lash will cause the valves to not close properly.
Yep, thats what Im worrying about, Ill just keep it a .010, and .020 rather stay safe than have to replace bent valves and busted pistons if it gets that bad! thanks raw!
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Old 02-07-2012, 12:40 AM
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Some good info below....
Attached Files
File Type: pdf Overhead (Valve Lash).pdf (279.3 KB, 9 views)
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Old 02-07-2012, 07:06 AM
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Overhead (Valve Lash).pdf (279.3 KB, 0 views)
Not too sure about anyone else, but that is a bad link for me.
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Old 02-07-2012, 08:02 AM
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"Not too sure about anyone else, but that is a bad link for me. "

yes, went crazy on me too
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Old 02-07-2012, 08:17 AM
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8 and 18 is still well above cumins minimum spec, however I set mine to a tight 10 and 20

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Old 02-07-2012, 08:24 AM
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Yea that link went crazy, Im just goona make sure its a tight 10 20 and be good, Its got 224K on here and I bought it with 210K the owner said he did it at 150K but since its simple enough Im gonna redo it so I know its been done right! Thanks guys...
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  #10  
Old 02-07-2012, 01:56 PM
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Originally Posted by RAWilliams View Post
Not too sure about anyone else, but that is a bad link for me.
Originally Posted by EggosBrother View Post
"Not too sure about anyone else, but that is a bad link for me. "

yes, went crazy on me too
I don't know what the deal is gents. My computer has went off the deep end. I can't view pic attachments nor pdf attachments.

Try this....

24v Overhead (valve lash)
Last edited by H.R.D; 02-07-2012 at 02:16 PM..
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  #11  
Old 02-07-2012, 05:00 PM
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Well I got er done, see if My milage comes back up and I cant hear anymore tickin at 55mph so Im happy and once shes warm I can barley hear the valves. Mission accomplished...
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Old 02-07-2012, 05:31 PM
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How much did you have to tighten them cause I have 195,000 on my truck and they have never been checked.
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Old 02-07-2012, 05:38 PM
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Hey smarty check post #10 download that file and it will tell you all you need to know about doing a valve lash.
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  #14  
Old 02-07-2012, 05:43 PM
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Well I know how to do a overhead I have done a lot on semis and trucks I just wondered how bad his valves were off. I didn't want to take my valve cover off just to see if they were ok.
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Old 02-07-2012, 05:44 PM
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Oh okay

I can all but guarantee you they will be out of specs by a large margin, if they have never been adjusted.
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