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-   -   Titanium Valves Allowed in S/S? (https://classracer.com/classforum/showthread.php?t=28457)

Jeff Lee 09-15-2010 03:11 PM
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?

Tony Janes 09-15-2010 03:14 PM
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.

Dyno 09-15-2010 03:40 PM
Re: Titanium Valves Allowed in S/S?
 
Already allowed in many S/S classes. SS/AS, SS/BS, SS/CS. Probably others. Dyno

X-TECH MAN 09-15-2010 03:50 PM
Re: Titanium Valves Allowed in S/S?
 
Quote:
Originally Posted by Dyno (Post 210831)
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 !

Chris Hill 09-15-2010 03:53 PM
Re: Titanium Valves Allowed in S/S?
 
Quote:
Originally Posted by SSDiv6 (Post 210778)
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.

X-TECH MAN 09-15-2010 03:53 PM
Re: Titanium Valves Allowed in S/S?
 
Quote:
Originally Posted by Tony Janes (Post 210821)
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.

SSDiv6 09-15-2010 04:21 PM
Re: Titanium Valves Allowed in S/S?
 
Quote:
Originally Posted by Chris Hill (Post 210833)
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.

BlueOval Ralph 09-15-2010 04:52 PM
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.




Quote:
Originally Posted by X-TECH MAN (Post 210815)
Yes but how many have you seen running S/S ? LOL

Tony Janes 09-15-2010 05:00 PM
Re: Titanium Valves Allowed in S/S?
 
Quote:
Originally Posted by X-TECH MAN (Post 210834)
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.

X-TECH MAN 09-15-2010 05:04 PM
Re: Titanium Valves Allowed in S/S?
 
Quote:
Originally Posted by Tony Janes (Post 210843)
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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