Looking for DYNO results on a stock 1969 L78

[Chevy454]

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You need to define "stock"...are we talking as delivered, tuned, blueprinted, etc...?

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No smog, Tuned, blueprinted, No headers
Martin

[/ QUOTE ]I'm not sure I'd consider blueprinted "stock". Square the decks/index the crank/index lifter bores/make all "holes" perpendicular to crank centerline/"CC" all the chambers.....etc. Basically "fix" all the things that can't be controlled with mass, assembly line procedures.
A LOT of people use the word blueprinted (balanced and blueprinted used in thousands of ads over the years)too loosely. It's HUGE undertaking that involves a lot of areas

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LOL, I'd say I have a *decent* grasp on what it means...and as I posted above, "stock" and "blueprinted" can indeed coexhist within the same conversation, depending of course on the sanctioning body! For instance, the class I primarily race in (Pure Stock) originally dealt only with "stock specs", thus it was in your best interest to "blueprint" your engine to factory/AMA specs...the class has since switched to NHRA specs, which are often a loose interpretation of said factory/AMA specs...as for where the class & a couple participants have recently taken this class & said specs, well, I'll just leave that be for now...

[Kim_Howie]

There is a whole lot of difference between pure stock & NHRA stock. I know of a 396-375 nhra legal motor that pulls 640 hp.