Valve lash after break-in - Team Camaro Tech
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post #1 of 4 (permalink) Old Oct 5th, 03, 05:24 PM Thread Starter
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I got done breaking in my cam today and checked the lash and all of the valves were a little different and one had loosened about .008, this valve could be heard over the others.
Should i be worried about this? The break in went rather smoothly and it is stll running fine but not many miles are on it.
Thanks.

Kyle

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post #2 of 4 (permalink) Old Oct 6th, 03, 01:54 AM
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One of three things is happening, the rocker stud is pushing up from the head, if press-fit, or two, the interface between the lobe and lifter is starting to get excessive, or three, the locknut is loose. Adjust valves again according to cam manufacturer, and run engine again. Inspect again.

If you're using the stock locknuts and they don't seem (feel) to be tight about the stud, as in a locking nut, a fix would be to replace the nut(s).

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post #3 of 4 (permalink) Old Oct 6th, 03, 09:20 PM
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I wiped a cam lobe on breakin once and the lash loosened up by a lot more than .008 - more like .026". It was kind of obvious there was a problem since it didn't run right either.

I'd just check your oil for little metal flakes and readjust like Everett said.

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post #4 of 4 (permalink) Old Oct 7th, 03, 01:01 PM
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Dumb question I'm sure, but we are talking about a solid lifter setup aren't we?

-dnult

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