Quote:
Originally Posted by 2SlickNick
So, after reading some threads on here by Slestak. I have determined stainless steel lighter and more durable. 12,000 rpm valve springs not needed.
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Higher RPM springs are only needed if you are building a full out drag engine. The stainless valves are lighter, and generally flow better, but stainless is a bit on the soft side compared to the hardened valve seats, so you might need to adjust your valves a little more often than before as they settle in.