Got my engine apart for a cam swap, pulled the valves on the heads and noticed significant carbon build up on the backs of the intake valves. going to have to lap them, but I need something to get the carbon off as well.

What do you all recommend to clean them off? I'd like to put the heads back together again tomorrow, so if there's something that basically dissolves carbon, that's what I'd be after.

 

What about Berrymans B-12 Chemtool?

 

I don't know anything about it, enlighten me please.

 

In my opinion Berrymans is the best company out there when it comes to engine chemicals and such.


You can get their bucket of Berrymans ChemDip and let them soak in there and I bet would give you GREAT results...

http://www.berrymanproducts.com/Home.aspx

 

Seafoam?

 

Scrape it off, then put the valve in drill chuck and polish it with fake steel wool or REALLY fine grit sand paper and water.

 

great idea, costs less and very thorough. would a wire wheel on a bench grinder be acceptable or are valves to sensitive for that?

 

I like the control you have with a drill, and it spins the valve....It's also how I lap my valves, apply compound to the valve put the valve in the head, put the stem in the chuck and spin away...

 

Use a brass brush wheel. Steel is harder than the brass...... Wear safety goggles though..... Maybe the full face style...... (yeah, them little fellers HURT.)

 

I don't like brush wheels for that very reason....I'm a home builder, and we use every mid evil torture device ever made, those are the worst.