hey folks,

got my heads off and looking to clean the carbon out of everything

was getting oil past my rings so you can imagine the buildup

any ideas? ....parts cleaner and soak them?..... will the viton stem seals get damaged?

 

Spray throttle plate cleaner will work well. You could send them out and get them "cooked" but if they are black the color may either come off or get discolored.
John

 

thanks again, john!... much appreciated

i'll head out to autozone and pick up a few cans and give both heads a good douching

 

I had great luck with my small ultrasonic cleaner (I got it from Harbor Freight to use on gun parts) and warm water / dawn dish soap. small wire brush to work on the tough stuff (after its soaked)

(in all seriousness, a lot of gun cleaners work REALLY well to soften up carbon)

 

While the heads are off you might as well replace the valve seals and grind the valves anyway.

 

Could this happen if the rings were aligned? They're supposed to be set at 0, 120 and 240 (degrees) right?

 

If the build up is carbon...simply soak them in plain water over night...next day you can scrape it off with a wooden stick...like a popsicle stick.

 

really, Tom? ...i'll give it a shot, for sure

i just ordered a valve spring compressor, so i'm gonna pull each one apart and clean in there good

Tee&Vee.... long story

Spanner.... heads have only 2k on them after complete rebuild from Don at Deweys