You haven't said if they are high lift roller rockers or not. If they are
the 1.5 ratio high lift roller rockers, then YES they do tend to be noisy.
Nick
In a message dated 18/12/01 12:37:07 Pacific Standard Time,
fergie9@attglobal.net writes:
> Help Again, please.
>
> I recently installed a set of roller rockers in my 1275.
> Factory manual calls for 12 thou clearance, but the
> roller rocker info says to use a couple thou more. I
> did that, but the valve clatter seemed a tad loud. I
> have set them back to the standard 12 thou and
> they are much quieter -- less embarassing if
> ya ken wot I mean.
>
> Performance seems better than ever, subjectively speaking.
> Is this going to do any lasting harm?
>
> Fergie
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