trackaddictedtundra

I'm going to do a little cleaning up of a set of 852s heads I've got. Is there any way for me to re-install my own valves? I'm not enlarging them or anything. Just want to be able to put the stock ones back in. Is that an option?

BlackGMC

iTrader: (31)

i am no expert but i think if you do that, keep track of the hole it came out of and put them back in the same hole... Might as well change out the valve seals while your at it...

trackaddictedtundra

I'd like to change the seal, but I'm not sure how to do it. So you can just set them back in there as long as you make sure you put them back in the hole they came out of?

00buckshot

iTrader: (5)

The exhaust and intake valve stem seaLS ARE DIFFERENT, but they aren't hard to change as a twist of a pair of pliers will pull them right off, a dab of oil and a finger push will install the new ones. now gettin inot the valves, you could mark them and put em all back in the same place, or you could use some good ole valve grinding compound and a cordless drill and lap the valves yourself, but be careful.

Phantom

iTrader: (16)

Stock valve seals may different, I'm pretty sure they're just different colors, but if you order a new set of VITON seals, they're all the same

BlackGMC

iTrader: (31)

so do the valve have to go back in the same exact position they were or does it just need to go back in the same hole? Meaning could you rotate the valve 50* and put in back in and it be OK?

Phantom

iTrader: (16)

I'm no expert, but I imagine the valve would spin with the valve spring so it wouldn't really matter on position??? I can't say for sure though

On the couple sets of heads I've put together, I've just put them back in the same hole and lapped them in.

trackaddictedtundra

Thanks for the info. Guess I'll find a place to buy some new seals and go from there.

JS01

iTrader: (10)

Just has to go back in the same hole.

I would lap them as recommended previously in this thread.

http://www.cylinderheadsupply.com/kl1242-1.html