Uprating Valves

[Sss107]

My 182 went bang recently after it dropped a valve. Was curious as to what is involved in uprating them. Is it a case just removing the old and in with the new? Is there more to it? I am the 'average diy' mechanic - could I do this? Or is this a job for an engine builder? I will apologise in advance for my dimness!

Advice is greatly welcomed.

Cheers, Martyn

 

[Dan@SJM]

Yes out with the old in with the new (and lapping them in, which is grinding the mating surface to the valve seat.) FYI, if you haven't already taken the head off, chances are the bottom end will be scrap too)