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Saw on FB, beats Titanium for weight hands down......rumoured ST experimental department

Gas flowed too

Do you have to have them balanced?
Are the inlets and exhausts interchangeable?

Maybe if you're going to complete this mod on your next rebuild(s), then might I suggest that as well as chamfering the underside of the valve, as shown, you slightly chamfer/countersink the lightening holes on the crown of the valve too.

It's one of those double-take pictures where it takes a second or two before it sinks in and you exclaim '.........what the fxxx's he done there....'

Great sense of humour there Marc and Chris. I bet this pic is doing the rounds of all the car type forums........

Less valve area =more gas flow both ways too winner

Could it be used as part of a 4 cylinder coffee cafetiere ?

whistler wrote: ↑Sat Mar 13, 2021 10:41 am Could it be used as part of a 4 cylinder coffee cafetiere ?

No there is a creative thought

Massive weight saving! You can do away with the rocker assembly, push rods and cam as these new super duper valves dont need to open to let the air/fuel in and out.
Bloody genius.

I tried a set of those and had no end of trouble. I couldn’t get any satisfaction from the manufacturers when I asked for my money back either. You just can’t get the quality nowadays and no one seems to care. I shan’t be using THAT company again!

D