New Rimflow Ultra Lightweight Valves

[Exminiman]

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

4B326DF1-5BC3-4689-9A2E-B1A6016EA4F5.jpeg

[Spider]

Gas flowed too

[whistler]

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

[Peter Laidler]

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........

[1380 andyf]

Less valve area =more gas flow both ways too winner

[whistler]

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

[Exminiman]

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

No there is a creative thought

[burchy35]

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.

[Dearg1275]

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