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

valve spring problem

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Old Aug 9, 2004 | 07:19 PM
  #1  
25th_Trans's Avatar
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From: Jacksonville, NC
valve spring problem

Here's the problem, one of my valve springs broke. I have the LT4 Hotcam, 1.6rr, LT4 valve springs, and trick flow chrome moly pushrods 7.200 .080.

I was told that the LT4 valve springs would work with this setup, but that was before I got the pushrods. Could that be the reason that they snaped or is it most likely just a defective spring?

I was lucky enough that the valve didn't drop thanks to new valve stem seals, so I would like to know before I replace the spring. If you need to see a pic of the spring let me know.
Old Aug 10, 2004 | 06:31 AM
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Re: valve spring problem

don't really know much about this. Would appreciate the help.
Old Aug 10, 2004 | 07:47 AM
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Re: valve spring problem

That could be an issue with the spring, or with how it was installed. I would check the installed height where it broke and see what sort of coil bind clearance you were running with & go from there personally

-Phil
Old Aug 10, 2004 | 09:26 AM
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Re: valve spring problem

what problems would I see if the pushrods were too long? Would that cause a spring to break?
Old Aug 10, 2004 | 10:38 AM
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Re: valve spring problem

That could cause coil bind, which would/could break the spring.
Old Aug 10, 2004 | 12:59 PM
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Re: valve spring problem

When you checked the springs the first time around.... what was the clearance at max lift?

-Mindgame
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