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Old 11-05-2020, 10:25 PM   #1
dono50
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Arrow 49 Ford flathead generator wide belt generator pulley

Is the 49 ford generator wide belt pulley compatible for 51 8RT truck ?
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Old 11-06-2020, 05:20 AM   #2
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Default Re: 49 Ford flathead generator wide belt generator pulley

Ttt
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Old 11-06-2020, 09:56 AM   #3
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Default Re: 49 Ford flathead generator wide belt generator pulley

Yes, I am pretty sure it is the same pulley. I don't know the part numbers of each.
Does 8BA-10130 seem correct?
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Old 11-06-2020, 10:17 AM   #4
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Default Re: 49 Ford flathead generator wide belt generator pulley

Trucks came with 3 or 4 different diameter pulleys. Big trucks got larger diameter pulleys, F-1's are probably the same as cars. But I would think all physically fit.
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Old 11-06-2020, 10:29 AM   #5
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Default Re: 49 Ford flathead generator wide belt generator pulley

ROSS makes a good point. I used an pick up 8RT wide belt engine pulley on my 8BA when I changed the water pumps to 8RT wide belt style.
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Old 11-06-2020, 03:11 PM   #6
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Default Re: 49 Ford flathead generator wide belt generator pulley

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1935fordtn on eBay has an nos 49 generator pulley and I messaged him to confirm it’s a wide belt and he said it is not??. The photo looks like a wide belt to me but he is a 3rd generation parts guy. Ford did not make a narrow belt in 49 .
My generator pulley (8rt setup an 8ba engine in a 46 coupe ) is evidently larger diameter and belt is short.
The pulley I used came off an f2 or F3 (removed it 25 years ago)and and I thought they were all the same but evidently not according to a latter post.
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Old 11-06-2020, 03:16 PM   #7
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Default Re: 49 Ford flathead generator wide belt generator pulley

I think you solved my problem. I removed the pulley I’m using off a 52 or 53 f2 or f3 years ago. My belt is short so I need an F1 or 49 car.
Thanks so much for your help
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Old 11-06-2020, 04:27 PM   #8
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Default Re: 49 Ford flathead generator wide belt generator pulley

Hold on, most F-2's and 3's used the same pulley as F-1's. Here is the list, all used 5/8" wide belts, is that what the cars used? "Note 2" on the one listing was a specially small diameter pulley "for increased charging at low speeds".

Codes: "C" = F-1, "D" = F-2, "Y" = F-3; the "T_" and "W_" are the bigger trucks
Attached Images
File Type: jpg gen pulley-1.JPG (28.5 KB, 14 views)
File Type: jpg gen pulley-2.jpg (70.2 KB, 23 views)
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Old 11-06-2020, 06:35 PM   #9
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Default Re: 49 Ford flathead generator wide belt generator pulley

The 52-53 truck that I removed the pulley from was an F2 or F3, that was 25 years ago. Just thinking it might have been a 6 cylinder. The diameter of the pulley section is too large so the belt is short .
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Old 11-06-2020, 07:10 PM   #10
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Default Re: 49 Ford flathead generator wide belt generator pulley

Mike is correct, 1949 Ford was a 5/8" wide fan belt pulley. I am running a 1949 car fan on the 59L in the roadster. The pulley or sheave is 5/8" wide, so that 3rd gen sheave or pulley for sale is correct. I can check the diameter of mine if you like.
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Old 11-06-2020, 08:17 PM   #11
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Default Re: 49 Ford flathead generator wide belt generator pulley

I would appreciate the measurements, over all measurement and diameter of pulley portion.
My pulley measures about 5 3/4 overall and 4 inch pulley diameter.
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