If you install different cam carriers, then yes, you'll have to re-shim the valve clearances.
If you wish to get real specific about it, you would also need new tappets, unless the new cam carrier came with it's old/original tappets already in place. The tappets and the bores in the cam carrier wear-in together, and are hence forth a matched pair. You shouldn't mix used tappets back-n-forth between bores in one carrier, or between different carriers.
Regards,
Tim Engel
12/15/2023 12:47 PM CST Rich Flowers <richnpeg@...> wrote:
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I am guessing one would need to re-shim all the tappets.
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Rich F
'79 JPS #040
'95 S4s ...SHF63000
