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I have a spare B18 head that I am thinking about have rebuilt. I plan on replacing the valves, guides and springs. I will have hardened seats installed, milled flat and at least a 3 angle valve job.
Are there any reasons not to use the stock valves, guides or springs? I see that some European sites offer upgraded single coil springs, I am guessing they are probably a stock spring from another application. Would there be any reason to upgrade from stock springs with a 6500 rpm rev limit and a D-Cam?
I think bronze valve guides could also be alternatively sourced and could be used with a guide seal. Any good reason to use these vs the stock B18 steel units sans seals?
Are there any reasons not to use the stock valves, guides or springs? I see that some European sites offer upgraded single coil springs, I am guessing they are probably a stock spring from another application. Would there be any reason to upgrade from stock springs with a 6500 rpm rev limit and a D-Cam?
I think bronze valve guides could also be alternatively sourced and could be used with a guide seal. Any good reason to use these vs the stock B18 steel units sans seals?