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Old October 3rd 07, 05:12 PM posted to rec.autos.antique
Grumpy AuContraire
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Posts: 307
Default Baffling Straight-8 Timing Problem



George Patterson wrote:

> wrote:
>
>> Taking a .010" off of the head surface
>> would mean the valve adjustment nut might not be tightened to the same
>> location on the rocker arm (or whatever) as it was before the surfacing
>> was done, but it'll still allow for proper adjustment without causing
>> any issues to starting the motor providing the valves are adjusted
>> correctly.

>
>
> Perhaps, but if you take .017" off the surfaces and don't readjust the
> valves, the compression will be 0. Even .010" will affect the
> compression ratio; perhaps enough to prevent starting the engine.
>
> My point. Readjust the valves after a rebuild.
>
> George Patterson
> If you torture the data long enough, eventually it will confess
> to anything.



IIRC, the Marmon has a flat head. Valves are in the engine block.

JT


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