this may or may not be cheap, but my mate works in a engine builders and has been doing some work for me.

this flowed and opened the ports out on a rs turbo cvh head for £210. i didnt think that was bad! o and fitted new stem seals.

anyone interested give me a pm.

 

were abouts are you?

Bri.

 

essex mate.

 

pm sent.

 

I could be interested some day

Mike

 

yeah bout time you got some power out of that car jock.