Valves

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Valves

Post  hpwdboss1 on February 18th 2016, 8:11 pm

Are exhaust valves made of a different stainless steel than intakes. I ask because of having cut down the i.d. on some intakes to made a set of exhaust for a bastard job about 8 years ago. Got the heads back this week to refresh and found small pock marks on the top and under side of the exhaust valve heads, not present on the intakes. It has not caused trouble as of now, but I wondered about the cause.
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Re: Valves

Post  rmcomprandy on February 19th 2016, 12:20 am

hpwdboss1 wrote:Are exhaust valves made of a different stainless steel than intakes..

Most are ... some are not.

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Re: Valves

Post  dfree383 on February 19th 2016, 1:51 am

They can be a different alloy depending on Manufacture or part used.

Exhaust valve take a whole different beating than the intakes do.
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