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Old 05-12-2002, 07:04 AM
Kurts50 Kurts50 is offline
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1950 flathead v8 wide vs. narrow pully engines?

I just purchased a 1950 flathead v8. I had 2 to chose from (not sure of the other year but my f5 dually is a 1950). I picked the 1950 engine as my engine has a cracked block. I paid $300 for it and supposely it runs good. He advertised the two engines as one having "narrow" pulleys and one having "wide" pulleys. The one I picked has the narrow pulleys. What's the difference? If my f5 has wide pulleys will everything interchange onto the new engine? Thanks!
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Old 05-12-2002, 05:23 PM
mtflat mtflat is offline
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1950 flathead v8 wide vs. narrow pully engines?

Trucks ran the wide belt pulley while the narrow belts were found on cars. The engines are identical for all practical purposes, and with the 50 engine you should have hardened valve seats which is a plus. If you bought the engine complete (including fan, generator, etc.), you can run it as is. If all those goodies are absent, you could swap the bolt on belt accessories from your cracked engine since all flathead blocks are the same (48-53 US trucks).

Check to see if the fan lines up with your radiator shroud. As long as the engine runs with no cracks or other problems, I'd say you did good. - tim
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Old 05-20-2002, 05:01 PM
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1950 flathead v8 wide vs. narrow pully engines?

I had a 49 Ford car with a V-8 and it had wide pulleys. I noticed at that time that the 50s and up had the narrow pulleys on them.
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Old 05-22-2002, 03:17 PM
hamz52 hamz52 is offline
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1950 flathead v8 wide vs. narrow pully engines?

Hi
You might also want to check the distance between mounting
holes on the narrow belt water pumps. I tried to drop in a
motor with them once in my 52 and they didn't match up with stock
motor mounts. Barely missed so I had to change out the water
pumps to the wide belt for the truck. Good luck
Hamilton
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Old 06-10-2002, 08:13 PM
MikeInNM MikeInNM is offline
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1950 flathead v8 wide vs. narrow pully engines?

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Old 06-10-2002, 08:13 PM
 
 
 
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