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

after headers...

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Old Apr 22, 2004 | 09:56 PM
  #1  
Jasonz28camaro's Avatar
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From: Tx
after headers...

After I install my headers on my 94 Z28 will I need the lt4km?
I have a flowmaster cat back as well.
thanks, Jason
Old Apr 22, 2004 | 10:00 PM
  #2  
Red96Lt1's Avatar
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From: Birmingham, Al
It would help as headders are noiser than manifolds.
Old Apr 22, 2004 | 10:02 PM
  #3  
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There is no absolute way to tell without scanning the car to see if you are getting knock retard after the header install.

It's only about $35 shipped from www.gmpartsdirect.com so I bought it just in case. Jason Cromer is also a guy to order it from.

Dan
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