351W C6 4x4 Swap to 460 E4OD 2WD? - Ford Truck Enthusiasts Forums



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351W C6 4x4 Swap to 460 E4OD 2WD?

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Old 01-25-2011, 05:43 AM
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351W C6 4x4 Swap to 460 E4OD 2WD?

Hey guys. Just bought a 91 f350 Super Cab with a 351 Windsor EFI and a C6 with 4x4 and a Dana 60 Kingpin front axle. My question is: would it be possible to drop Clyde's 460 EFI and E4OD into it? Clyde is 2WD and that's my concern. Does the E4OD need to be a 4WD tranny for the swap or will mine suffice? Also, is this swap even possible (honestly, please. I am an average joe working solo with limited resources/budget and decent know-how.) An engine/trans swap would be at the far limits of my ability but I think I really could do it. What do you guys think? What would be involved? I'm looking to swap the engines and transmissions into both so I can sell Clyde and the 351W with the C6 to break even on the cost of the new truck. Thoughts?
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Old 01-25-2011, 08:35 AM
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You will need a 4x4 transmission for that 460 to work in your truck. The bellhousings are different between the 5.8L and your 7.5L engine.
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Old 01-25-2011, 09:45 AM
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I am in the process of swapping out the 300 Six in my F150 for a 460 and I was just thinking last night how stressful this would be if this was my DD and I was doing this over a weekend and trying to get it ready to go to work on Monday morning. Get yourself a "backup car" if you don't have one already. I have a shop with a lift and all the tools and it's still a big job. Not saying you can't do it, of course you can, the resource you will need most IMO is time.

TIP: Watch out for the oil filter on the 460 - mine hit the crossmember and that's when I noticed the crossmember on my truck and the F250 donor truck are different to accomodate the oil filter. Ford put a 45 degree adaptor on the motor and then STILL had to mod the crossmember to get it to fit - this looks like some poor engineering IMO. I had to order a 90 degree oil filter adaptor from JEGS to get it to fit.

You will also have to swap the motor mount perches and cutting the 4 rivets off the left-side perch is NO FUN.
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Old 01-26-2011, 04:24 AM
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What do you mean by a 4x4 transmission? Does that just mean that the transfer case would have nothing to attach to?
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Old 01-26-2011, 05:15 AM
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That is exactly it. On a 2wd trans the tailshaft is different so the transfer case will not fit to it. You would need to get a trans that had originally been in a 4x4.
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Old 01-26-2011, 06:38 AM
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For the swap to be easiest, you would need two transmissions. A C6 from a 351w 2wd (to go with the 351 from the F350 back into Clyde), and a E4OD 4x4 transmission. Since you already have a E4OD small bell transmission, you have two options to go with: 1) A small bellhousing E4OD, and take the two and swap parts to build what you need (a big bell E4OD to fit the 460) or a good big bell E4OD (a good used will run $400-800, or a basic rebuilt one will run $1000 and up). Keep in mind that the F350 also will need the ecm from either Clyde and stand alone trans controller or a ECM and harness from a E4OD 460 4x4 truck to shift properly. You will also need to deal with exhaust, motor mounts (L&L makes swap mounts), etc. The swap is definitely doable, but as suggested above, I would not try it on a DD, as its going to take some time, especially if you are doing it yourself.
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Old 01-26-2011, 09:58 AM
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The swap is definitely doable, but as suggested above, I would not try it on a DD, as its going to take some time, especially if you are doing it yourself.
Mine has been down for a week and a half now and I still don't have all my parts collected. Just ran into a snag last night again on the clutch hydraulics, which are different between the 300 Six and the 460. I got the complete setup from a 1993 donor truck and it doesn't fit my truck, either. Ford sure does love to change little things from year to year. I have to have the hydraulic line from 1988-1991 and nobody services that part but Ford. So there are issues.
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