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Ford N series engine options

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Old Aug 28, 2024 | 02:13 PM
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Ford N series engine options

Hello everyone,

I'm looking into possibly repowering my N some years down the road, I was curious as to what all engines were available in the N series or what other diesel engines would be a good candidate for a swap. other than the 6BT Cummins. I know the 6BT is a great engine, but I'd rather put something else in its place, I even thought about the 6.9/7.3 IDI I'm just not wanting to reinvent engine mounts if that makes any sense, I don't mind moving the rear cross member if needed but do not want to have to build engine mounts to the truck. Wanting it to look almost factory.

Thank you
 
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Old Aug 28, 2024 | 06:17 PM
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you probably want to get the engine and transmission together .you will probably need a diesel friendly rear gear ratio .find a donor truck that has most of the drive train and other parts you will need
 
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Old Aug 28, 2024 | 07:39 PM
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That really didn't help me out much, I have an 83 f700 with an 8.2 detroit that I'm gonna get the running gear out of. It'll take my highway gear from a 6.50ish to a 5.50ish, and also give me 10 lug bud wheels with hydraulic brakes. I'd have to go back and look at the decode for that info.

Just trying to find out what was availble and what would be easiest.
 
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Old Aug 28, 2024 | 07:41 PM
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3208 Cat was probably available.

There are a bunch of diesel engines listed, but folks point out many of them are too big for that size truck.

And yes, the gas engine gearing won't work well for most oil burners.
 
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Old Sep 2, 2024 | 05:36 PM
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a 5.29 rear gear ratio is common for a 3208 cat
 
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Old Sep 2, 2024 | 05:57 PM
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Just checked, the axle I'm swapping in has 5.57 ratio.
the stock axle has 6.50 ratio plus going to 11r 22.5 will help with ratio as well.
 
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Old Sep 2, 2024 | 07:10 PM
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5.29 is still going to be low unless you have an overdrive transmission
 
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Old Sep 3, 2024 | 05:50 AM
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Even though it came behind a diesel from factory? It would be runnable but probably would only cruise at about 60 mph.
 
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Old Sep 5, 2024 | 10:19 PM
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how wide are your rims ? if 8.25 you can use a 12rx22.5 tire
 
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