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#1
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Six pack cfm?
Hey guys,
I have a question I'm asking for a friend. He has a 1970 AAR Cuda (yes he's a lucky fella). It has the TA 340 six pack powerplant. Now, we have been asking around and we keep getting different answers about the total cfm that the carbs flow. He says 1350 cfm in stock form but we're not positive. Can anyone tell me what the stock six pack flow is on this car? The car also has a Mr. Norms sticker on it so there's nothing saying that the carbs haven't been "tweaked" a bit. I'm just going to assume that it is stock carburation. Any answer would be appreciated. Thank you. By the way if anyone ever gets a chance to drive an AAR Cuda with the pistol grip four speed I highly recommend it . ::Edit:: Forgot to mention that we were told that the center primary carb is 350 cfm and the two outboards are 500 cfm each. |
#2
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#3
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I was always under the impression that the inboard (center main) carb was the larger of the three, with the two outboard carbs being the smaller ones. Maybe I'm incorrect? If so, maybet he inboard is the 500 cfm one and the outboards are 350. I also don't understand why it isn't just a matter of math. 500+350+350=1200. No? I'd like to get some information on this as well becuase I know very little about the 6pac. Thanks.
-Fox Deacon |
#4
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The outers are the bigger ones.
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#5
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A ENGINES
4349239 "A" engine-outboard 289.75 4349240 "A" engine -center (manual) 399.75 4349241 "A" engine-center (automatic) 359.75 from; The Moparts Connection 770-533-9770 770-533-9771 |
#6
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carb-0-4790 OE number=3577185 1970-71 340
3x2 (Outboard Carb.) . cfm-500 carb-0-4792 OE number=3577183 1970-71 340 3x2 (Center Carb.) A/T choke-Remote cfm-350 From Holly web page; http://www.holley.com/HiOctn/ProdLin....html#Chrysler |
#7
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Outboard carbs is 500 cfm
center carb is 350 cfm But they are not messured the same way that the 4 bbl carbs (28 inch of water or was it quicksilver) are, so if I remeber right they are 930 cfm messured the same way as the 4 bbl. Cool car you have we have a Mr.Norm Charger Rallye, or my wife has Take care. Joakim |
#8
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Thanks for all the info guys. I'll let my friend know about it.
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#9
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Outboards are 500 cfm, center is 350 cfm. Measured at 4" Hg pressure drop. As opposed to 4 bbl that are measured at 2" Hg pressure drop. Divide 2 bbl figure by 1.414 (square root of 2) to get 4 bbl equivalent (955 cfm in this case).
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