[Alberg30] Atomic 4 (was Spark Plugs)

[George Dinwiddie]

Yes, you're right, Gordon.  I mispoke.  Still, I've been assured
by several Atomic 4 mechanics that you don't need to add lead
substitute for the A4 and this has been confirmed by people who've
followed this advice for many years.

 - George

Gordon White wrote:
> 
> it's not so much the valve guides as the valve seats. In post lead gas
> engines the seats are hardened whereas in older engines they are not.
>                         - Gordon
>
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