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I've heard of blueprinting but have'nt had it explain to me.What does a guy do to an engine when he blueprints it?

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[ QUOTE ]
My point is that for the first 10 years of the stock drags, there were only a couple of cars running in the 12's, and we used to ask, "Where are the Chevys? Where are the LS6's, Yenkos, RAIV's, and W-30's?" It seemed to be all 440's and Hemis, Stage 1 Buicks, and your occasional 68 Firebird RAII or 455HO.

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Now we all ask "where are all the FoMoCo cars"? Lol!! There for a bit, Stefina's '64 427/425hp Mercury Marauder was the quickest FoMoCo offering running low 13s in a 4300 pound car!

I hope some of the guys here don't confuse Pure Stock with the Stock Appearing/FAST cars that also run on Polyglass & through exhaust manifolds. Whereas the Pure Stock cars are limited to the factory specs, the SA/FAST cars can go hog wild and port, hone, lighten, whatever 500+ cube engine they want, as long as it "looks stock". I might add that they're very good at it, as they're now going 11.0s at 130 mph!

gtaa9: blueprinting is basically putting tolerances & specs at a certain predetermined number, which in the case of our "Pure Stock" cars are the factory specs.

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I had a 70 judge RAIV car that weighed 3856 lbs at the track and with a set of headers[open] and a curved distributer and jetting the original Q-jet ran a best time of 11,98 @ 118 mph! https://www.yenko.net/ubbthreads/imag...ins/3gears.gif all documented at capital raceway in maryland back in 1973. The car started out in the high 14's because it just would not hook with the polyglas tires. The original owner really knew what he was doing with that car! He gave me a book with all the time slips and everything he did to it to run the way it did! I had to sell the car 5 years ago due to personal reasons but i am so sorry I did. I really wish i had it back. https://www.yenko.net/ubbthreads/imag...lins/frown.gif

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Sounds like a very good E.T. Don. Those Pontiacs may not rev like a Chevy.....but the torque https://www.yenko.net/ubbthreads/imag...emlins/eek.gif https://www.yenko.net/ubbthreads/imag...emlins/eek.gif Should of kept it, but I know what you were going through back then. You are the man Don! Sam

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Don, are you saying that car ran 11.98 on polyglas in 1973??

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Gonzo is right on saying that 12.9-13.1 for RA4 A bodies is right. I had planned on certifying my 69 RA4 GTO,but did not get it done until Tues before the race. This car is done to nhra spec,absolutely zero porting,and a factory camshaft,not a nhra legal cam,but a factory cam(DOG BELOW 3000 RPM),best et first time out13.11 at 111.00.This is what a nhra blueprinted 4 will go with a 4-speed.Not nearly as quick as LS-6.I think that an automatic could run 12.7,s in pure stock condition in a GTO. Mino has consistantly always ran good when the Chevs were not.Bottom line is that the Pontiacs with a RA 4 will run almost dead even with an LS-6,Which was rated 80 horsepower stronger,and had 54 cubic inches more!!!Why couldn,t Pontiac have built a 455 cid,11.1,Ram Air 4 engine in a 70 GTO????? That would have been sweet!

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Hey John! Am I gonna get to see you guys at some more races this year? Missed ya at a couple events, but I know y'all were busy. Got any new projects? That '67 sure runs HARD!

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Sorry Mike,I forgot to mention that he put on 9 inch goodyear slicks. [d-5]compound! The logbook the guy kept on the car was incredible. He monitered everything from barometric pressure to the heat of the track every time he went out! Airbags in the rear springs [8lbs on the left 15lbs on the right].LAUNCHED IT AT 6000 AND SHIFTED IT AT 6400 BECAUSE HE SAID IT MADE NO MORE HORSEPOWER AFTER THAT] AND THE CAR STILL HAS THE ORIGINAL BLOCK IN IT TODAY. The car ran a miserable 1480's on the polyglas tires. https://www.yenko.net/ubbthreads/imag...lins/beers.gif

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That makes sense Don. I have an idea how the Knafel Judge was built, and, the times it ran, so, an 11.98 sounded pretty stout.

Welcome to John Glasgo.

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Here's some cool Pontiac stuff from the Royal Pontiac Club of America's current newsletter.

Apparently some one arranged for a Royal team to go out and test some grinds in a 67 GTO, Milt oversaw and Dave and Sid Warren wrenched. I was a little surprised at the figures attained after averaging a series of runs.

http://www.azalea.net/~steved/cama.jpg
http://www.azalea.net/~steved/camb.jpg
http://www.azalea.net/~steved/camc.jpg
http://www.azalea.net/~steved/camd.jpg