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-   -   Today is 429 (https://www.yenko.net/forum/showthread.php?t=160858)

Lee Stewart 04-29-2020 01:14 PM

https://i.postimg.cc/fy5YmKf4/screenshot-7906.png

The third engine configuration was the 360 HP 429 Thunder Jet which came standard on the Torino Cobra. 10.5 CR instead of the 11.3 CR for the Cobra and Cobra Jet RA.

Lee Stewart 04-29-2020 01:27 PM

https://i.postimg.cc/s2SSwy44/1970-f...-cobra-scj.jpg

There was one more engine configuration. The 429 Super Cobra Jet Drag Pack. For the additional cost—just $155, recall—you got four-bolt caps on the middle three main bearings, forged aluminum pistons on heavier-duty connecting rods, a solid-lifter camshaft with more aggressive profile (versus a hydraulic cam fitted into the lesser 429s), a genuine Holley 4150-series carburetor flowing 780 cfm (and a functioning Shaker scoop when the J-code Ram Air engine was specified) flowing 12 percent more air, an oil cooler mounted to the radiator support, header-style exhaust manifolds, and more.

Lee Stewart 04-29-2020 01:30 PM

https://i.postimg.cc/J4fzKX6S/ford-t...ortsroof-7.jpg

Would it surprise you to learn that under that shaker air cleaner sits a 700 CFM Rochester Quadrajet carb? Ford was having issues with it's Autolite carbs passing the new emissions rules and went to GM to solve them.

Lee Stewart 04-29-2020 01:36 PM

https://i.postimg.cc/cLWr0YRw/ford-t...a-429-cj-1.jpg

Not many changes for 1971 with one big exception. While all the other car manufacturers were dropping their compression ratios to meet new emission rules, Ford managed to continue offering the 429 Cobra Jet (new moniker) and Cobra Jet Ram Air with their original 11.3 CR intact.

Charley Lillard 04-29-2020 02:06 PM

2 Attachment(s)
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big gear head 04-29-2020 02:13 PM

I had one of those 429 QuadraJet carburetors about a year ago. Picked it up at a yard sale.

Lee Stewart 04-29-2020 02:17 PM

https://i.postimg.cc/9F0rMVKF/autowp...-mach-1-52.jpg

Another redesign for the Mustang came with the 1971 models. Bigger and heavier. The 1971 Mustang was a real porker compared to the 1965/1966 Mustangs. The curb weight on a 1966 K code Mustang Sportsroof was 2974 while the curb weight on a 1971 429 CJ Ram Air Mustang Sportsroof was 3607!

The 429 Cobra Jet and 429 Cobra Jet R (new moniker) were options on the Mustang. The 429 Thunder Jet wasn't an option. Both were again rated at 370 HP.

Lee Stewart 04-29-2020 02:18 PM

Thank you Charley. You saved me the time and effort of addressing the Mercury Cyclones.

Tenney 04-29-2020 03:07 PM

https://www.youtube.com/watch?v=LlKk...eature=related

https://www.youtube.com/watch?v=z9ZGx4YtYf0&t=58s

Lee Stewart 04-29-2020 03:22 PM

BTW . . .

Someone mentioned in the 427 day thread that coming up would be 430 and 502. I have no interest in starting a thread on either because the 430 was never used in a muscle car and the 502 is strictly an O-T-C engine available from Chevrolet. I missed 426 (rats!). Will have to wait until next year. Or . . . maybe if I am bored I can start a Belated 426 Day thread
:cool2:


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