Heads that are done by cnc

[95rayburn]

When you get a set done by the cnc machine shoud you have to do any work to the bowl area around the valves

[racer69]

You shouldn't have to. However some builders take it a few steps further and do some handwork.

[JustAddDirt]

a lot probably depends on fuel being used, and how smooth the CNC program was in the cutting process.

gas you could smooth up a bit with a pointed emery paper style tool
Alky or e-85 you an leave a little more on the rough side to keep the larger amount of fuel running through port atomized.

depends on engine builder preferences really.

[racer69]

Thank you. Much better answer than mine!

[Krooser]

Cheap heads sold with a cnc port often only get a basic port match plus. A good program will do the bowls, too.

[SLM98]

Have yet to see a CNC head that could not be improved with a little hand work

[Rappar]

Hi all, this is quite an interesting discussion, I would like to ask you where you can buy a chpu machine for your business. I hope there are people among you who know about this topic.

[Kermittt]

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