Hi, I own a 1984 F-250 with a 351w and I'm going to stuff the big 460 into it. I have a 4-speed manual transmission and i just want to know if that transmission will bolt up to a 460 and if i will have to change the engine mounts. Also it would be great if you all could tell me what will have to be changed.

Thanks-Jon Fuller in Daytona Beach, FL

 

The tranny will work, but you will need a different bellhousing and a new clutch if yours is the smaller one.

There are small problems with the oil filter on a 460 in these trucks, and you can find the factory solution or get a remote oil filter kit.

And of course all the other little odds and ends that go with a swap like accelerator linkages, radiator hoses, fuel lines and probably a bigger radiator.

Go to a site like Auto Parts Fast at RockAuto and see if the radiators are different between the 351w and the 460 truck.

 

what kind of bellhousing do i get? Can i take if off some other tranny?

 

Get one off a 460 that had a 4 speed.

 

I would say probably don't do the swap. I built a brand new 460 last year, and it is way overkill. I wanted a big motor for towing a car trailer and cars, but I had a 2600lb trailer with a big, old Mercedes on it last summer, and I towed it accross the pass, never needing to go more than 10% throttle, and realized I should have built a inline six.

If you're making a hot rod or towing a larger trailer, then by all means, but I really wish I'd built a 300...

 

What are you trying to use the truck for? The 351W is the best horsepower for torque for mpg in my opinion. You can make great horsepower and torque out of that motor without sacraficing the horrible mpg of the 460.

 

Mine does pretty good pulling my 8K lb empty truck, it manages with another 8K in the back ok. The 3 spd trans hurts it though.

 

I'm trying to make my truck quick...i want to haul *** with my 4" lift and 35" tires. i have 3.55 gears in the rear end and i want to leave that alone. i was thinking about taking my 351w and putting a cam and 4-barrel on it with headers but i dont know. i think it would be bad *** to have the big 460 in it. I have a 4-speed manual and im not sure if i did do all that to my 351 if it would make it quicker. i want it to have alot of ***** when i give it gas. i was also thinking of putting a C6 in it cuz it can shift faster than any person can with a manual. I take my truck off road too and im just kind of lost on what to do becuase there is so much i can do to it. i just want it to be one rompin stompin SOB......its strong as hell right now but it just chugs along on the road.

 

If moneys no object do a 460, if it is, build your 351. My engine would be pretty quick in a light truck and I spent over $1000 on the rbuild (new rings, rods, mains, cam/lifters...) and thats doing all the work myself. A OD 5 speed and gears would be your best bang for the buck IMHO

 

A c6 would be a good choice too, especially if you are going to rip and tear with a 460. An automatic is a little easier on the drivetrain.

 

If you are into wheeling I'd lean towards the C6. A buddy of mine swapped out a four speed to a C6 in his Bronco - its a lot funner now without having to worry about popping/slipping and burning through the clutch.

 

a 5-speed od? what kind of tranny is that? does it bolt on to the 460 or my 351? my dad owns an auto repair shop so i can get my hands on anything i need and i work my *** off so i make good money with him, i just have to save it. anyways....is the 5-speed strong? cuz i was always told that over drive trannys are weak. if it works with the 460 ill do it cuz with that beast ill need to get the best mpg i can. but im probably just going to do the 460 with a c6. is there any other tranny that can bolt up to that besides the E4OD because i heard those break when a 460 is on it and its not strong to start with. i want all the heavy strong stuff on my truck yet i want it to haul *** when i give it gas. i just dont want to break crap...So what do you all think?

 

ZF 5 spd MT, they made them for 351w and 460's. I'd do that and some gears first, then rebuild the 351 later if you still want more

 

keep in mind on the 460 that in the mud, that anchor on the front will hurt you. but i guess it depends on what you mean by offroad. I know I would prefer the windsor. If you wanted the 460 power in the 351w block, then build a stroker.. Prolly still cheaper than doing a 460 since there parts are kind of costly..

 

Okay so i decided im probably going to keep the T-18 tranny in my truck but i want to bolt up a 460 to it...what kind of bellhousing do i need and do i have to change my clutch or anything? i heard something about changing the fly wheel too...? i just want to know exactly what i have to do. all I know is when i put that 460 and T-18 together its going to be one strong SOB. It'll be hard to beat.