LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Adjusting SR valve lash while engine is running

Old Mar 20, 2010 | 03:50 PM
  #16  
87slyroc's Avatar
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oh, s/r... there was my confusion. guess i need to read better. i can be a real idiot some times. sorry guys
Old Mar 20, 2010 | 03:54 PM
  #17  
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Just a side not that when adjusting the lash, come in from the side of the rocker with the feeler guage as opposed to the front to cancle out the roller action
Old Mar 20, 2010 | 03:57 PM
  #18  
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Originally Posted by shoebox

You don't seem to understand how SRs are adjusted. There are specific lash settings that must be measured with a feeler gauge. BTW, SRs tick (because of the lash).
All solid lifters rollers or not tick because of the lash
Old Mar 20, 2010 | 04:45 PM
  #19  
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F6
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From: Lengede
Okay, here is what I found out trying to adjust valve lash while engine is running.
-It's actually easier to adjust when engine is running, you need three hands though because everything is moving up and down, or you get the right tool.

- I also had the feeling it is more accurate, and pizz-man is right, the feeler gauge must come from the side not the front.

-You can't make the cardboard high enough to avoid oil splashing, otherwise
you can't get the feeler gauge in between valve stem and RR.

Didn't have any clips to prevent oil splashing and the cardboard didn't work out, so I adjusted the lash the conventional way. Next time I'll definitely do it with the engine running.
Old Mar 20, 2010 | 05:24 PM
  #20  
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Originally Posted by pizzi-man
All solid lifters rollers or not tick because of the lash
Well, we weren't talking about anything but SRs, eh? Since any solid lifter uses a lash adjustment, it would follow that they would tick.
Old Mar 20, 2010 | 07:49 PM
  #21  
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back in the day when they adjusted the valves that way was because the valve lash was with the engine hot not cold and thats the only reason.
Old Mar 20, 2010 | 09:43 PM
  #22  
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Originally Posted by hghpwr
back in the day when they adjusted the valves that way was because the valve lash was with the engine hot not cold and thats the only reason.
I always did it when the engine was warm-just not running. There were times when I had engines that would squirt oil from the rocker arms over the fender at idle.
Old Mar 20, 2010 | 11:33 PM
  #23  
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the cardboard inserts were just a suggestion. they have worked for me in the past, but all things equal, not every car will have the same oil flow at idle. sorry it didnt work out; wish i had something better to offer. glad you got them adjusted though.
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