valve guides
this isn't really asking the right question. But iron is harder then bronze so should wear less, in genral like your asking.
Now will both last a long time, setup with the right valvetrain geomety? Or can both get destroyed really fast if setup wrong?
Now will both last a long time, setup with the right valvetrain geomety? Or can both get destroyed really fast if setup wrong?
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Verdad Gallardo lack of lubrication, carbon build up inside of them taking the oil cushion away. you usually have about .002 of oil clearence in the valve guides. about the same as a bearing.
i didnt really mean there is no friction, what i ment to say was the difference in materials between bronze and steel guides is not going to create less or more friction.
i didnt really mean there is no friction, what i ment to say was the difference in materials between bronze and steel guides is not going to create less or more friction.
lack of lubrication, carbon build up inside of them taking the oil cushion away. you usually have about .002 of oil clearence in the valve guides. about the same as a bearing.
i didnt really mean there is no friction, what i ment to say was the difference in materials between bronze and steel guides is not going to create less or more friction.
i didnt really mean there is no friction, what i ment to say was the difference in materials between bronze and steel guides is not going to create less or more friction.
They wear over time due to the geometry not being perfect, or the surface finish/stem shape/guide shape having flaws that result in metal-metal contact despite the oil film.
