Quote:
Originally Posted by 35fordtn
I’m reading this thread to learn the varying thoughts, as I am young and the knowledge shared should be soaked up! Question, a local flathead guru here uses solid bronze guides knurled and driven into place. I get the pint and benefits of that, but he also shortens the guides from stock on the bottom end and only has roughly .250” of guides below the retainer. What’s the benefit to that?
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For one thing, it is cheaper. For 16 guides he will probably use 14 inches less material. Bronze bar stock is not cheap.
On the other hand, the shorter the guide, the faster it and the valve stem wear.
The shorter the guide, the slower the heat transfer away from the valve also.