Posted by Matt Wilson [173.245.50.165] on Saturday, April 22, 2017 at 09:20:05 :
In Reply to: Re: Hardened Intake Valves & Seats posted by Vaughn [172.68.141.253] on Friday, April 21, 2017 at 21:46:23 :
Good point, Vaughn. I had been assuming that hardened intake seats were a relatively new offering for these engines, but maybe they're a carryover from long ago, during the switch from leaded to unleaded, as you mentioned.
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