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Packard V8 exhaust valves
#1
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Jack Vines
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These have been NLA for a couple of years now.

I'm considering having some made up with .005" OS stems so they could be fitted into worn heads.

What do you think about the demand?

jack vines

Posted on: 2022/5/5 19:28
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Re: Packard V8 exhaust valves
#2
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R H
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Back in the 70s. My dad had the pack 12 valves built up with stellite. And reground.

The 80s. He bought stainless valves.

My input is what's more cost effective.. New v. Welded and ground. Welded you keep the Packard script.

Posted on: 2022/5/5 19:40
Riki
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Re: Packard V8 exhaust valves
#3
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Jack Vines
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Quote:

R H wrote:
Back in the 70s. My dad had the pack 12 valves built up with stellite. And reground.

The 80s. He bought stainless valves.

My input is what's more cost effective.. New v. Welded and ground. Welded you keep the Packard script.
Very interesting, Riki. We've been building engines for a very long time and never welded up valves. In any case, that's not going to happen with us. My machinist refuses to build any more Packard V8s unless there are new parts on the bench. He says we're losing money every time we have to make the parts.

BTW, when the new parts were NLA, we've machined 352" and 374" pistons from Ford and Chevy parts, machined the connecting rod small end to fit the Ford and Chevy piston pins, recut head spring pockets for valve springs, machined down exhaust valves, et al.

jack vines

Posted on: 2022/5/6 9:07
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Re: Packard V8 exhaust valves
#4
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Packard Don
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Jack, when the time comes I’ll likely have you do the rebuild on my 1956 Custom Clipper’s engine but I have NOS valves for it which seemed easy to find. Not sure if they’re the best for modern petrol but they will do nicely unless you do make something better! I also have a set of intake valves from Terrill.

Posted on: 2022/5/6 12:31
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