Classic Engine Tech 1967 - 1981 Engine Related

72 455 Trans-Am running 12.0's bone stock?

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Old 07-29-2003, 11:25 PM
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No way a bone stock 72 455 TA runs 12.0... even on slicks!

The guy is obviously clueless and more than likely has probably never even raced it.... at least not anywhere where it was timed through the traps.
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Old 07-30-2003, 12:16 AM
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yes...i read the article last night and it mentioned one of the car running 10.70s on slicks and it was also a auto
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Old 07-30-2003, 07:34 AM
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But not 10.70's on stock exhaust. It most likely had open headers. The stock exhaust on the ZL1's killed off at least 60-70 hp.
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Old 07-30-2003, 09:40 AM
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Arrow

http://www.eagleseyemagazine.com/art...musclecars.htm

http://www.autofacts.ca/classics/fast.htm


http://www.corvettepictures.com/musclecars.htm


Dig in...

Last edited by firstgen; 07-30-2003 at 09:50 AM.
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Old 07-30-2003, 10:08 AM
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I really think the distinction between the cars that normal people can buy and in the day, sponsored teams.

I would also like to see all the options that came with these "production" cars.
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Old 07-30-2003, 01:03 PM
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yea...i agree...it had to have open headers...
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Old 07-30-2003, 01:12 PM
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I mean, technically, you could have bought this car that was built on a production line....


http://www.geocities.com/jmaxnakron/...lossom_II.html

The stacks in the trunk when it arrived.
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Old 07-30-2003, 08:08 PM
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Anyone notice this post originally dates back a year ago?
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Old 08-01-2003, 03:15 PM
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In late summer `72 Pontiac showed a `73 SD455 to the Press. This car had 3.90 gears, headers, and special carb and distributor settings (supertuned). And it was running high 12's.

No way any factory Pontiac was in the low 12's EVER.
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Old 08-01-2003, 06:58 PM
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Originally posted by Eric77TA
Maybe the dragstrip he was at is only 500 feet and then a cliff? There's no way a 72 455 HO was running 12.0 bone stock on stock tires. That was a fast car in its day, but your mid-high 13s estimate is much more in the ball park. Hemi Cudas and GS 455 Stage 1s (arguably the fastest cars of the original musclecar era) can't run a 12.0 bone stock.
well sir the HEMI CUDA'S where running 11's and 10's and so where the HURST S/S AMX'S.
THEY ARE BOTH CONSIDERED MUSCLE CAR'S NOW AIN'T THEY???????????
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Old 08-02-2003, 10:33 AM
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Since when did a Race Hemi become a factory production car.
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Old 08-02-2003, 05:03 PM
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TRUE THE RACE HEMI WASN'T A PRODUCTION CAR,
BUT HURST S/S AMX WAS PRODUCTION CAR AND THEY RAN 11'S AND 10'S. THEY BUILT 53 OF THEM I GOT ONE I SHOULD KNOW.
WELL RATHER 10.80'S - 11.20'S. SO YTOU SAYIN ONLY AMC HAD A PRODUCTION CAR THAT DID 11'S AND 10'S OFF THE SHOW ROOM FLOOR.???????? I DOUBT IT. I BET THE ZL-1'S ARE PRETTY CLOSE TO THEM TIME'S.????????
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Old 08-04-2003, 06:30 PM
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I think it's all B.S. !!!

Show me a 60's - 70's "production car" that ran 10's stock and I'll eat my hat. Making 50 of a kind car does NOT make it a "production car."
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Old 08-04-2003, 06:41 PM
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well 53 joe blow's off the street could walk and buy one of them.
so i would assume that would make it a production car just limited number's. but i could be wrong on that.
but if you go to the amx site and look for your self they,
did run low11's high 10's. that any one could buy them. so u just figured it was a prodyction car. i could be wrong???????.
but there was a limited number of zl-1's too ya know???
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Old 08-04-2003, 07:33 PM
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53 cars in 365 days is not a "production" car. when i worked on the line we pumped out 1000 cars a day on a good day. can you say FACTORY TUNED!
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