Valve seals - why not install 24 of them?
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Lots of different opinions. The main reason not to is so that the valve stem gets a smidgeon of lube. Remember it runs VERY hot, and there are stories - true or not I have no idea - of exhaust valves with stem seals failing in short order.
My V12 engine and thousands of others have done multiple hundreds of thousands of miles without the seals, so why change the OEM design?
My V12 engine and thousands of others have done multiple hundreds of thousands of miles without the seals, so why change the OEM design?
The following 5 users liked this post by Greg in France:
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