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Old 03-15-2005, 05:29 AM   #1
SHADOWWARS
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Burnt Valve; What does it look like?

I decided to look down into my jugs from above w/throttle @WOT. Each valve in the front jug has what looks to be slight carbon buildup, the back jug only the r/s intake has this buildup with the l/s intake being dry.

Any thoughts here?
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Last edited by SHADOWWARS; 03-15-2005 at 07:14 AM. Reason: Mis quote
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Old 03-15-2005, 06:42 AM   #2
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How did you get a visual on the exhaust valves? Were you using a flexible borescope?
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Old 03-15-2005, 07:12 AM   #3
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Eye On Exhaust Valve

Quote:
Originally Posted by DeltaSS
How did you get a visual on the exhaust valves? Were you using a flexible borescope?
Woops, I screwed up by mention of exhaust valves, should read;
front intake valves have some light buildup, rear intake valves r/s some buildup, l/s no buildup and dry.
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Old 03-15-2005, 07:50 AM   #4
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Quote:
Originally Posted by SHADOWWARS
Woops, I screwed up by mention of exhaust valves, should read;
front intake valves have some light buildup, rear intake valves r/s some buildup, l/s no buildup and dry.
I noticed similar deposits on the rear cylinder intake valves when I installed the chrome cam tensioner bolt, clean valve on the left side and deposits on the right side valve. Appears the valves don't flow exactly the same. I didn't look at the front cylinder intake valves.
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Old 03-15-2005, 10:01 AM   #5
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This is and older disscussion. What you are seeing is normal. Maybe one of the Mods can help you find the older post on this concern. Later Ski.
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Old 03-15-2005, 03:04 PM   #6
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Quote:
Originally Posted by SKIROD
This is and older disscussion. What you are seeing is normal. Maybe one of the Mods can help you find the older post on this concern. Later Ski.
found the thread, do a search on "crud on intake valves", that will be the name of the thread. My valves where not near as dirty as in the pic shown in the thread.
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Old 03-15-2005, 03:10 PM   #7
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The difference in deposits on the valves and ports are due to the engine breather emissions, imo. Not uniformly distributed.
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