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Carbon build up inside exhaust

Carter Turk

Forum Sage
Charter Member
Due 10 years of poor carb settings and old o-rings, I imagine I have a build up of carbon coating the inside of the exhaust.

I guess my manifolds are narrower, by a few millimeters, no proof really, just notice it when I change my oil.

The header requires removal for oil/filter changes.

Any value in trying to clean it out?
 
Can't hurt but I doubt it would make much difference. I'd say running it clean for awhile would clean it out on its own.
I'd check the baffle if you are running one.
 
I thought it might be like most americans with high cholesterol, narrowing the artery.

Less flow more stick.
 
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