C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Can the guide plates be removed?

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Old Jul 14, 2007 | 10:11 AM
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Hi Mike - Yes but is sure is molested now
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Old Jul 15, 2007 | 10:24 PM
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Originally Posted by anesthes
What procedure are you using to adjust the valves?

-- Joe
Zero lash then 1/2 turn. The FSM says 1 turn. I have also went up to 1 full turn and have adjusted with the engine running.

Steve
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Old Jul 15, 2007 | 10:31 PM
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Originally Posted by black96lt4c4
why would it only tap on the right side?if it is a valvetrain noise,can you isolate the particular cylinder noise and if its intake or exhaust?or both?ive seen camshaft lobe ramps cause this issue before.the rocker oiling check was a good idea.have you tried to adjust the noisy rocker or rockers with engine running?i would check the rocker position where it contacts the tip of the valve.a mushroomed valve tip or valve guide problem could cause incorrect alignment.you mentioned it didnt have solid lifters, so in theory oil pressure should take care of adjustment after preload.good luck.junior
I Adjusted it every which way. The cam lobes appear to be fine. As I stated-new push rods.

I even called Gordon Killebrew and he said LT1's have valve train noise-it's normal.

It runs great-so I will live with it.

Thanks for the help!

Steve
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Old Jul 15, 2007 | 10:33 PM
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I called Gordon Killebrew and he states that some valve train noise is normal on a LT1.

Thanks to all

Steve
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