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Old 09-15-2010, 03:11 PM   #11
Jeff Lee
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Default Re: Titanium Valves Allowed in S/S?

Keep in mind when a Ti valve breaks the carnage can be twice as bad. Maybe that's why the engine builders want it?
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Old 09-15-2010, 03:14 PM   #12
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Default Re: Titanium Valves Allowed in S/S?

I am for them in both super stock and stock(Jr Super Stock), It is a choice, no one is making a person us them if they do not want to.
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Old 09-15-2010, 03:40 PM   #13
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Default Re: Titanium Valves Allowed in S/S?

Already allowed in many S/S classes. SS/AS, SS/BS, SS/CS. Probably others. Dyno
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Old 09-15-2010, 03:50 PM   #14
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Cool Re: Titanium Valves Allowed in S/S?

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Already allowed in many S/S classes. SS/AS, SS/BS, SS/CS. Probably others. Dyno
Im sure the post was about S/S cars classed by HP factors and not Cu. inches. Those are really modified cars !
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Old 09-15-2010, 03:53 PM   #15
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Default Re: Titanium Valves Allowed in S/S?

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As I recall, the only time NHRA allowed Titanium Valves to be used in a SS engine was in some specific Ford 427 engines as a replacement to the Sodium filled OEM valves.
Exhaust only or intake too? BTW, other OEM valves have hollow stems too. You should see the hollow intake valve heads that are lazer welded together, neat stuff.
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Old 09-15-2010, 03:53 PM   #16
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Thumbs up Re: Titanium Valves Allowed in S/S?

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Originally Posted by Tony Janes View Post
I am for them in both super stock and stock(Jr Super Stock), It is a choice, no one is making a person us them if they do not want to.
Jr. Super Stockers.......LOL.
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Old 09-15-2010, 04:21 PM   #17
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Default Re: Titanium Valves Allowed in S/S?

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Originally Posted by Chris Hill View Post
Exhaust only or intake too? BTW, other OEM valves have hollow stems too. You should see the hollow intake valve heads that are lazer welded together, neat stuff.
Chris,

At the time the rule was implemented for the Ford 427, there were no other OEM applications with Sodium Filled valves.
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Old 09-15-2010, 04:52 PM   #18
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Default Re: Titanium Valves Allowed in S/S?

ZERO but the NHRA wizards were not aware of this till late last year. They had no idea on what was in those engines.




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Yes but how many have you seen running S/S ? LOL
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Old 09-15-2010, 05:00 PM   #19
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Default Re: Titanium Valves Allowed in S/S?

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Jr. Super Stockers.......LOL.
Terry that is what they are in 2010. Should go a little farther with the rules. Same as S/S except for 9 " tires, stock manifolds and stock valve lift.
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Old 09-15-2010, 05:04 PM   #20
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Talking Re: Titanium Valves Allowed in S/S?

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Terry that is what they are in 2010. Should go a little farther with the rules. Same as S/S except for 9 " tires, stock manifolds and stock valve lift.
"STOCK" manifold's...........LOL. I have some water front property for sale in Arizona if your interested !
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