h22a valve float

[crx666]

Hi i was wondering what are the odds of the pistons being damaged when valve float happens? or if its most likely it just needs valves? its a h22a4 with 100 000 the guy put skunk2 cams on so i take it he beat the shit out of it. and he sayed when it happend he drove it for 2 weeks till he go a new motor and he said it just had low compresion. a valve job is ok but i cant afford new pistons let me know what u think.
thanks

[bruno8747]

The valves will bend before the piston even begins to chip.

[TecHMec]

check the valve clearence. they may need to be adjusted.

[Rosko]

if the valves hit the pistons then get rid of them (the valves) the pistons should be ok. a valve can bend and often it will bend back into place and still run ok, but it will usually end up breaking shortly after. Safest bet is to get new valves, cuz if it breaks and the head drops into the cylinder all hell will break loose, haha literally.

[cp[mike]]

itll usually bend the exhaust valves...

[deevergote]

Piston damage is still possible, however. Metal hitting metal at such high speeds and temperatures is always bad. If the piston was just scarred a little bit, it'll provide a rough edge that will get hot and cause detonation. When you pull the head, inspect the pistons. Damage should be visible, if there is any.