Bugger!!

[19andrew59]

Get the head machined
Install over size valves
Use thin copper gaskets
Don't spend enough time with plasticine
Rev the crap out of it on nitrous
Lucky to get away with it

[Desmo]

Precision valve cut outs mate.

[19andrew59]

Precision valve cut outs mate.

Certainly makes it easy to machine back for clearance!

[T_B R1]

What state are the valves in after hitting the pistons?

[19andrew59]

What state are the valves in after hitting the pistons?

They're actually straight, one of the joys of running stainless valves I guess. Doesn't seem to have damaged the guides either.

[blackzook]

Very lucky.

[Captain Starfish]

Looking at it seems you just need to grind some sharp edges on the valves, bolt it back together and give it another blast mate, job's half done already!

[Supercharged1600]

Looking at it seems you just need to grind some sharp edges on the valves, bolt it back together and give it another blast mate, job's half done already!

err? valve - wouldnt that be a bad thing re: reduced mass and thermal transfers, would you really do maching (lightly) on th piston, or use slightly shorter conrod?

[Captain Starfish]

I was taking the piss, 1600, by suggesting that Andrew continue to use his valves as a machining tool...