Yeah, the exhaust port looks like it was cast using plumbing parts. Intake is
not that much better.
On Oct 19, 2012, at 8:23 PM, "Jim Gray" <toodamnfunky@comcast.net> wrote:
> FoT,
> I cut some TR4 port sections today, right down the middle of the valve
> guides. It sure is a different view of the
>
> TR4 ports. The exhaust port is a mess. I'm going to try welding around the
> back of the valve guide boss
>
> and try to smooth out that wall the exhaust charge slams into just outside
> the valve seat.
>
> We'll find out on the flow bench, I have three more cylinders to experiment
> with
>
>
>
> Pix are on photobucket
>
> http://s698.photobucket.com/albums/vv341/TR4jim/Cylinder%20head/
>
>
>
> jim g
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