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

Valve tip height above retainer?

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Old Apr 27, 2006 | 09:42 AM
  #1  
94badrag's Avatar
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From: Dayton, Ohio
Valve tip height above retainer?

If I use +.05 locks with my 918 springs the tip of the valve will decrease.

What is the minimum amount of valve tip needed so I can run my SA 1.6
RR's?

Some say I should use NSA RR's here. WHY??
Old Apr 27, 2006 | 12:13 PM
  #2  
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Re: Valve tip height above retainer?

Hello,help
Old Apr 27, 2006 | 12:14 PM
  #3  
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Re: Valve tip height above retainer?

With the +.05 locks you MUST run NSA rockers. There is not enough meat on the valve tip to let the SA rockers do their job, and they can easily pop off.
Old Apr 27, 2006 | 01:11 PM
  #4  
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Re: Valve tip height above retainer?

Whats the diff in the design between the two rockers, NSA & SA?

Can I just put guide plates with the SA RR's??

Last edited by 94badrag; Apr 27, 2006 at 01:14 PM.
Old Apr 27, 2006 | 01:24 PM
  #5  
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Re: Valve tip height above retainer?

SA use small guides beside the roller tip that keep the rocker centered on the valve.

NSA use guideplates to keep it aligned on the valve.

Can't use guideplates and SA.
Old Apr 27, 2006 | 02:02 PM
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Re: Valve tip height above retainer?

Don't bump your post to the top just because you haven't received a response in three hours.

http://web.camaross.com/forums/showthread.php?t=5485
Old Apr 27, 2006 | 02:42 PM
  #7  
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Re: Valve tip height above retainer?

thanks for the bump
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