I do have an AL valve cover, but I was wondering if the head might not
absorb the energy as much.....
On Mon, 7 Aug 2000 17:33:22 -0700, Max Heim wrote:
>Aaah. Are you using the same rocker arm cover? I have heard that the
>aftermarket aluminum ones are quieter than the factory steel ones, but
>maybe different designs have different acoustical properties (ribbed vs
>non-ribbed, for example). Or perhaps the aluminum head just doesn't
>absorb as much sound energy in itself.
>
>Andrew B. Lundgren had this to say:
>
>>Yaeh, other than I had a cam in running at .18 with the iron as well...
>>
>>On Mon, 7 Aug 2000, Max Heim wrote:
>>
>>> Isn't that your answer right there?
>>>
>>> Andrew B. Lundgren had this to say:
>>>
>>> >My AL head seems to tap much louder than the iron one did...
>>>
>>> >...with my valves gapped at .18 rather than the stock .15.
>>>
>>>
>>> --
>>>
>>> Max Heim
>>> '66 MGB GHN3L76149
>>> If you're near Mountain View, CA,
>>> it's the red one with the silver bootlid.
>>>
>>>
>>
>>
>
>
>--
>
>Max Heim
>'66 MGB GHN3L76149
>If you're near Mountain View, CA,
>it's the red one with the silver bootlid.
>
>
Andrew Lundgren
Lundgren@iname.com
http://www.itwest.net/~lundgren
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