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Old 07-05-2010, 03:03 PM   #1
X-TECH MAN
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Talking Re: Why did nhra change the cam and valve spring rule in 1985?

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Originally Posted by SSDiv6 View Post
Under your premise, let's move the current Stockers to Super Stock, then bring back Modified Eliminator and move all current Super Stockers and finally bring back Pure Stock again. LOL!!!
LOL....Well the A/SA and AA/S are quicker than the Pro stocks were in 1970 (or the 1/4 mile is shorter) on little bitty 9 inch tires, "stock heads", OEM bottom ends, and they weigh more. Its called "Progress"

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Old 07-05-2010, 05:28 PM   #2
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Default Re: Why did nhra change the cam and valve spring rule in 1985?

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LOL....Well the A/SA and AA/S are quicker than the Pro stocks were in 1970 (or the 1/4 mile is shorter) on little bitty 9 inch tires, "stock heads", OEM bottom ends, and they weigh more. Its called "Progress"
I was watching some old movies in You Tube and suddenly realized that some of the lower class current Stock Eliminator cars are running faster than the old Modified Eliminator cars that had aluminum heads, tunnel rams and twin carbs!!!
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Old 07-05-2010, 05:44 PM   #3
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Talking Re: Why did nhra change the cam and valve spring rule in 1985?

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Originally Posted by SSDiv6 View Post
I was watching some old movies in You Tube and suddenly realized that some of the lower class current Stock Eliminator cars are running faster than the old Modified Eliminator cars that had aluminum heads, tunnel rams and twin carbs!!!
And what does that tell you? Its not all tire technology and ring packs....Maybe the air is better today than back in the 60's and 70's?
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Old 07-05-2010, 05:51 PM   #4
Alan Roehrich
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Default Re: Why did nhra change the cam and valve spring rule in 1985?

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And what does that tell you? Its not all tire technology and ring packs....Maybe the air is better today than back in the 60's and 70's?
It's any number of things. Granted valve springs have allowed a lot. But clutches, carburetors, torque converters, headers, and transmissions have come a long way. There's a ton of things that have gotten better, and racers have gotten smarter because there's more information available as well. Information and knowledge make a lot of HP.
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