CC'ing a head

Post by: **john.p.clegg** » Sun Jul 19, 2015 6:08 am

Dear All

When CC'ing a head does one use a flat perspex plate fitted over the combustion chamber....if so,has anyone found that the lip of the valve stands proud of the head? What to do?

Thanks
John

Post by: **dougal9887** » Sun Jul 19, 2015 7:07 am

I used a flat perspex plate but the lip of the valve was below the face of the head so no problems. I think I would have dremelled a crescent out of the plate if I had found otherwise. My perspex was plenty thick to have done that.
Dougal.

Post by: **rgh0** » Sun Jul 19, 2015 7:09 am

Yes with a shaved head the lips of the inlet valve especially a 1.625 inch valve can sit above the head face.
I just level the head and fill the chamber carefully to the level of the face without using a cover plate.

cheers
Rohan

Post by: **john.p.clegg** » Sun Jul 19, 2015 10:06 am

Good,good.

Out comes the dremel...

John :wink:

Post by: **twincamman** » Sun Jul 19, 2015 10:45 am

John add some food coloring to the burnett,makes it easier to see the liquid ..

Post by: **john.p.clegg** » Sun Jul 19, 2015 10:51 am

The wife's just making up some gravy as I type....

John :wink:

Post by: **twincamman** » Sun Jul 19, 2015 5:32 pm

well i9if she cooks like mine watch a lump of it doesnt bend a valve ..ed

Post by: **promotor** » Sat Jul 25, 2015 1:05 pm

Use a head gasket between the head and perspex, then minus the calculated volume of the head gasket from the total cc's.

Post by: **john.p.clegg** » Sat Jul 25, 2015 4:38 pm

Yet another good idea...

John :wink:

Unlike my wife, I don't know everything.....

CC'ing a head

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