On Fri, 8 Feb 2002, Ryan Miles wrote:
> Peter,
Hi,
> I just started working on porting my head and I was told that when
> enlarging port sizes you have to get one of the "high performance"
> gaskets. Not sure which companies sell it, but I don't think it has
> the raised ridges around the ports so that you can enlarge the
> ports....I havn't gotten very far on my head yet, so I can't offer
> much more.
Moss sells a thick gasket that does not have the metal around the holes.
But I wan tto caution something here - the point of the exercise should
not be _enlarging_ the ports - it should be on _Matching_ the ports. If
you enlarge the wrong way, it can actually harm the performance, as you
won't get proper air velocities...
Just thought I'd throw that out there.
> Ryan Miles
regards,
rml
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