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Old 07-18-2011, 01:45 PM   #71
Gramps69Z
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Quote:
Originally Posted by Revo1 View Post
Z28? Weighin very little right now... :/
It takes time to grow.
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Old 07-18-2011, 04:54 PM   #72
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Maybe more noise?!
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Old 07-18-2011, 09:25 PM   #73
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The limiting factors, back in the day, were tires and gription. And the more torque a car made, the less capable the OEM tires were of harnessing that power. Nose-heavy cars like 396 Camaros were additionally hobbled by disadvantageous weight distribution and, therefore, less rearend traction.

A "showroom floor" 302 Z/28 generally was capable of mid-upper 14s (eerily similar to today's LLT), and juice-cam'd '96s were variously similar. An L78, well-tuned and -driven, would break into the 13s...just. Again, showroom-stock/untouched.

Hot Rod Magazine did a Project build-up of a 302 Z, with a balanced/blueprinted engine, headers, 4.88s, Stock-legal 7" slicks, and some other NHRA-legal things. Final result, as I recall, was 12.70s...stout in its day, but about 3/10s over the record for F/Stock. And Dave Strickler, a disciple of and "partner" to Bill "Grumpy" Jenkins, ran high-11s in his Super Stock version: any cam, 10" slicks, any single-4 under-hood intake etc.

Oh I'm well aware of what the various configurations have run both back in the day and more recently. The current D/Stock record set last year is held by Jerry Macneish, 10.45 at I think it was 127 in a '67 Z/28. The stock class cars run stock heads, intake, and carb, sure they're balanced, etc., but not that radically different from the factory engines.
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Old 07-18-2011, 10:05 PM   #74
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Originally Posted by wildpaws View Post
Oh I'm well aware of what the various configurations have run both back in the day and more recently. The current D/Stock record set last year is held by Jerry Macneish, 10.45 at I think it was 127 in a '67 Z/28. The stock class cars run stock heads, intake, and carb, sure they're balanced, etc., but not that radically different from the factory engines.
Clyde
Here's a link to one of Jerry's runs.

http://youtu.be/RrRmUrJqj-k
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Old 07-19-2011, 01:09 AM   #75
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It takes time to grow.
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Old 07-19-2011, 07:43 AM   #76
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The final year for NHRA's "Junior Stock", as based on Production-line-ready vehicles, was 1971. Since then, all manner of additions/deletions/substitutions have occurred to the point that "Stock" today...isn't. Hard to ignore 40 years of "improvements" and "engineering"...both in "combinations" AND equipment. Tires, for instance, are 'way beyond what was formerly available, and that's the major reason you see "FAST" and "Pure Stock" cars running as low as 9s on "bias-belted" stock-appearing tires, these days.

You used to be able to go Stock racing for lunch-money. Now, you need an 18-wheeler and a $50K engine just to be "close"...

Different cars, different times, different results...but that would be fodder for a whole 'nother thread...

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Old 07-19-2011, 12:46 PM   #77
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Here's a link to one of Jerry's runs.

http://youtu.be/RrRmUrJqj-k
I've got links to perhaps a dozen of his runs in my Favorites list! Try this one:

Clyde

Last edited by wildpaws; 07-19-2011 at 12:49 PM. Reason: add text
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