do my valves need adjusted?

[max]

Hi my 89 4runner has 215,000 miles.  The valves have been adjusted before.  I don't know the last time they were adjusted though.  Somtimes when I let off the gas I here a chatter.  There seems to be a tapping in and out durring idle also.  The noise at idle is not my injectors, I here them to ofcoarse.  It runs good though.  Should i consider adjusting the valves or could it be somthing else?

[BLUCRUZ]

I check/adjust my 22re's about every 25k. .007 on the intake & .011 on the exhaust, I think the book says .008 & .012 respectfully. Couldn't hurt to check them out!

EDIT:
Sorry, didn't see that it was a v-6 until I read your other post

[gferris5]

I don't think there's a toyota alive that doesn't have an annoying amount of valve clatter-that's just how you know they're working. I like to think it's because of my mean solid cam set up...

[84runner]

I would have to agree totaly with gferris5        

[Marlin]

If the ticking comes and goes when hot, you have a bad piston. I had a 92' with 130,000 and at times the engine would tick like a valve was was out of spec. I could rev the motor and it would some times go away.
This is a common 3.0 problem caused from high miles and overheating. When i tore my motor down, i found two badly worn skirts and excessive piston to cylinder wall clearance. You will need to bore the motor, and install oversize pistons to get rid of the noise.
Sorry for the bad news.

Marlin