Dec 2004
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There are only two V8 rod part #'s.
527114- used in Cylinders 1,3,5,7
527115- used in Cylinders 2,4,6,8.
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Addendum
All the Stude V8's used the same rod from '51 through '64 except some of the R
3 and R 4 engines.  They are 6.625" long.

The R 2 heads, #1557582 are 67.7 cc and there was another head with part
number
536790 but I don't know the casting number that was about the same.  The
535976
are about 60 and the rest are about the same with 537555 and 1557581 being the
smallest chamber, 1555294 and 1557570 are next.  

But after all these years about the only way to know for sure is to cc them as
they may have been milled, or if the valves have been ground several times,
etc.  

You can usually tell if they have been milled by measuring from the block side
surface to the machined surface that the cover gasket sets on.  New they were
3.563" thick.

Ted H
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