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#11 |
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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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Jeff Lee 7494 D/S '70 AMX |
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#12 |
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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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Tony Janes 7941 STK, SS |
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#13 |
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Already allowed in many S/S classes. SS/AS, SS/BS, SS/CS. Probably others. Dyno
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#14 |
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#15 |
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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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#16 |
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#17 | |
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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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#18 |
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#19 |
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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.
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Tony Janes 7941 STK, SS |
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#20 |
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