The valve stem seals are not in contact with the gas flow, they are on the top of the cylinder head, near the top of the valve stem, which is not as strained as the valve disc. AND we are mostly talking about the inlet valve stem seals here, which cause invisible oil consumption because of the vacuum created by the engine. The exhaust valve stem seals do not get vacuum.
A Laser gives you less performance than a standard exhaust, unless you take the Db-killer out and change carb settings etc. It is mainly loved because it is fully made of stainless steel and muuuuch lighter [2,5 kgs. instead of a massive 6,5 for the standard].
The € 680 is a great bargain. And the Laser is good cause it won't fall off, and it makes more noise so it's safer. If you still have the Db-killer, take a big screwdriver. You won't regret it.
Where are you going now?
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Fred, XTZ660, Holland.
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Fred, XTZ660, Holland.
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