Here's what you should know about pneumatic valves. Consensus seems to be that the white deposits are ash from burning oil that get deposited on the exhaust valves because of their extremely high . Every fuel company has their very own clean burn . Those white exhaust valves are fine.
If the exhaust billows white smoke for a few seconds when first starting the engine. Very common to see in modern engines with some mileage. So i recently pulled the heads off my motor to find that one of my exhaust valves was white. Consensus seems to be that the white deposits are ash from burning oil that get deposited on the exhaust valves because of their extremely high . A few clues to help you on your way. Brown/black means oil/rich or that the valves are not completly sealing. Your engine looks like it was chewing on some oil by .
The oil consumption could be from bad valve stem seals, with the extra heat being made from being turbo, the seals may have gone hard if they .
Brown/black means oil/rich or that the valves are not completly sealing. So i recently pulled the heads off my motor to find that one of my exhaust valves was white. Does yours use any oil? The area that is white receives the most heat from the exhaust, if you look downstream behind the valve guide and guide boss you will see a nice . I would be more worried about the brown/black ones than the white ones. The oil consumption could be from bad valve stem seals, with the extra heat being made from being turbo, the seals may have gone hard if they . Very common to see in modern engines with some mileage. White, hard deposit like that is usually indicative or oil burning. Pipe warms up, that's oil vapor and a sign of bad rings .
White Valves Exhaust
PNG. Every fuel company has their very own clean burn . White, hard deposit like that is usually indicative or oil burning. All the others in the heads were pretty carboned up, . The others might have some slight wear at guides or a little oil getting past the . So i recently pulled the heads off my motor to find that one of my exhaust valves was white.
White ash is normal on the exhaust valves, it's a result of the never ending serch for a cleaner burning fuel. Here's what you should know about pneumatic valves.
The area that is white receives the most heat from the exhaust, if you look downstream behind the valve guide and guide boss you will see a nice . Very common to see in modern engines with some mileage.
If the exhaust billows white smoke for a few seconds when first starting the engine. Very common to see in modern engines with some mileage.
Consensus seems to be that the white deposits are ash from burning oil that get deposited on the exhaust valves because of their extremely high .
Every fuel company has their very own clean burn . Does yours use any oil? The exhaust valves should be a whitish tan color, that indicates good heat transfer and average combustion.
Brown/black means oil/rich or that the valves are not completly sealing.
Consensus seems to be that the white deposits are ash from burning oil that get deposited on the exhaust valves because of their extremely high . The others might have some slight wear at guides or a little oil getting past the .
