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06-13-2016, 01:52 PM | #1 |
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70 amx 360 carb
can anyone clarify what the blue print sheet is saying under carb for 1970 290hp 360 amc combo becuase i think it should be a autolite 4300 4bl but all the blue print sheet says is (owa-4/auto) i'm pretty positive the /auto is specifying a automatic trans and i've looked through the accepted parts list and didn't see a reference to this. any help would be appreciated
(290 360 10.0 1-4 Ford 0WM-4/SM 0WA-4/AUTO) |
06-13-2016, 02:05 PM | #2 | |
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Re: 70 amx 360 carb
Quote:
I have run a lot of Ford 4300's so now & then I obtain an AMC 4300. AFAIK, AMC used the Carter AFB thru 1969, then went to the Autolite 4300. Ford made 2 sizes for the 4300: 1.00" venturi, about 440cfm IIRC this was only used from 1967-69. 1.25" venturi, about 600cfm This was used from 1968-1974. In the AMC numbering, 1st digit is the year, 3rd digit is a=auto or m=manual, and I think last digit means 4bbl. I've had: 3tm4 3ta4 4ta4 I don't know what the 2nd digit "T" vs your "W" means. All the 1.25" venturi Autolite 4300's are the same CFM so I bet any of them would be legal, the only diff is jets & air bleeds etc. |
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06-13-2016, 02:07 PM | #3 | |
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Re: 70 amx 360 carb
Quote:
0 = 1970 W = engine size M = Manual & A = Automatic 4 = 4V Last edited by Bobby DiDomenico; 06-13-2016 at 02:12 PM. |
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06-13-2016, 03:23 PM | #4 |
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Re: 70 amx 360 carb
i think it is the same 600cfm carb that ford used and that being the case do you guys have a builder you would suggest? i know Deano is the man on quadrajets , so who knows autolites also makes me wonder if there is a quickfuel or replacement option but i haven't seen one.
it would be great if i could use any 600cfm carb i wanted. |
06-13-2016, 03:27 PM | #5 |
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Re: 70 amx 360 carb
and i guess its a motorcraft not a autolite unless there the same i don't know fords that well.
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06-13-2016, 03:33 PM | #6 |
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Re: 70 amx 360 carb
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06-13-2016, 05:55 PM | #7 |
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Re: 70 amx 360 carb
during the 60's Ford used Autolite as a trade name for a lot of parts. The government for some reason sued Ford and made them sell the spark plug division so Ford started using Motorcraft for their parts and Fram/Allied Signal ended up with Autolite.
Roland |
06-14-2016, 06:03 AM | #8 |
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Re: 70 amx 360 carb
The best Autolite Carb guy I know is George Thompson "Carburetor Flow
Engineering". I can look up his number if you want. His cars are always near the top of the field out here in the West!
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John Irving 741 Stock 741 Super Stock Last edited by GTX JOHN; 06-14-2016 at 06:05 AM. |
06-14-2016, 07:30 PM | #9 |
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Re: 70 amx 360 carb
It's not a 780 Holley!
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06-14-2016, 09:48 PM | #10 |
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Re: 70 amx 360 carb
Got that right Greg !
The OWA4 /OWM4 is a Motorcraft 4300. A temperamental sumbitch of a carb that works good with a stick and fair on a 2 step automatic . unpredictable on a foot brake . Most Ford 351 racers run the Holley where it's accepted as a replacement and take the HP ,but a few stick racers run it successfully. Deuce Coupe has the correct info on the sizes and GTX John is right ,Thompson did the carb I ran on my D/S Automatic '70 AMX, Worked as good as you can get from that carb.
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