Oddly enough, it might work pretty well to just chamfer the edge. Do
the usual machinist's blue method to find the manifold outlines,
score them so they won't rub off, and then just match them up fwith a
little ramp.
On Jul 4, 2006, at 5:45 PM, Tim Murphy wrote:
> To make a long story short, I didn't check closely enough before I
> had the
> machine shop work done on a cylinder head and now realize I have
> 1.5 inch
> intake ports on the head and 1.625 inch ports on the manifold. The
> head is
> for a vintage race car, 1961 TR-4.
>
> Question: Is there enough stock in the head to allow me to bore
> the head
> intake ports out to 1.625 (1/16 th on a side) for a depth of about
> 1/4 inch
> and then smoothing out the step with a die grinder? I just want to
> get rid of
> that abrupt 1/16 th inch step. Will probably wind up using the
> head on a
> Stromberg street car engine on my son's car in the future.
>
> Next head that we do will definitely be a 1.625 (S.U.) head for the
> race
> car!!
>
> Thanks in advance,
> Tim Murphy
>
>
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