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

I take it pushrods aren't supposed to spin freely

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Old Sep 6, 2006 | 12:08 AM
  #1  
Finchinater's Avatar
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From: Columbus, Ohio
I take it pushrods aren't supposed to spin freely

I was struggling changing my plugs and wires tonight and thought while I was there I would replace my valve cover gaskets. I was wiping off one of the rockers when I noticed it wiggled. I take it that it's not supposed to do that.

I'm guessing that I need to re-adjust the valve lash, correct. I pulled up shoebox's site and the easiest method for me would be #1. I don't understand what "pre-load" is. Is it the 1/4 turn after you have taken the slack out of the pushrod?

Going to bed. I'll get back at it tommorrow night.

I appreciate any comments.

Finch
Old Sep 6, 2006 | 12:47 AM
  #2  
97bowtie's Avatar
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From: AZ
Re: I take it pushrods aren't supposed to spin freely

It's normal for the rockers to move from side to side a little. As long as there is no vertical play in the rocker/pushrod, and you don't hear any abnormal ticking from the motor, I wouldn't worry about it.
Old Sep 6, 2006 | 11:08 AM
  #3  
1racerdude's Avatar
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From: LA (lower Alabama)
Re: I take it pushrods aren't supposed to spin freely

Unless they are clicking/clacking,don't worry about them.
Old Sep 6, 2006 | 11:25 AM
  #4  
Sweetred95ta's Avatar
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From: High Ridge, MO
Re: I take it pushrods aren't supposed to spin freely

If you do adjust them anyways, yes, the 1/4 turn is the preload.
Old Sep 6, 2006 | 11:35 AM
  #5  
Heatmaker's Avatar
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Re: I take it pushrods aren't supposed to spin freely

That's what thier supposed to do. Either the valve was closed, or open half way. It's not a problem unless you can lift the entire rocker and move it freely.
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