'75 F250 Swap Advice
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'75 F250 Swap Advice
Hello all, I just found this site and im pumped. A lot of great info!
So I have a beautiful 1975 F250 with and FE 360, and im pretty sure they all have C6 transmission. It runs great now, but I just wanna know that when the day comes where I hafta swap the motor what my choices are, because I wanna drive this thing forever!
I was checking out the Ford 306 Blueprint (Ford 306 Base BP3060CT | BluePrint Engines)
But I don't know if that's feasible or not, I'm still learning over here.
I need to know motor and tranny combos that would work.
Any advice will be greatly appreciated! Thanks!
So I have a beautiful 1975 F250 with and FE 360, and im pretty sure they all have C6 transmission. It runs great now, but I just wanna know that when the day comes where I hafta swap the motor what my choices are, because I wanna drive this thing forever!
I was checking out the Ford 306 Blueprint (Ford 306 Base BP3060CT | BluePrint Engines)
But I don't know if that's feasible or not, I'm still learning over here.
I need to know motor and tranny combos that would work.
Any advice will be greatly appreciated! Thanks!
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
A FE C6 won't bolt to a Windsor due to the bellhousing pattern.
A 306 small block is a mismatch with a heavy truck. An engine with torque down low in the RPMs is needed like an FE, a 400, or a 460. While that 306 looks good and is reasonably priced, it is an application better suited for a lightweight car like a Mustang, Fairlane, or Falcon. These rigs have at least 1000 more pounds to get moving off the line.
Several combos to choose from. What is the intended use of the truck? Daily driven? Hauling? Towing? Is MPG a concern? You need to figure that out and then evaluate which engine/trans combo is most suitable and applicable.
Scroll down to the engine builds section of this post since you have some learning to do: https://www.ford-trucks.com/forums/1...l#post14213910
Read, read, read.....
A 306 small block is a mismatch with a heavy truck. An engine with torque down low in the RPMs is needed like an FE, a 400, or a 460. While that 306 looks good and is reasonably priced, it is an application better suited for a lightweight car like a Mustang, Fairlane, or Falcon. These rigs have at least 1000 more pounds to get moving off the line.
Several combos to choose from. What is the intended use of the truck? Daily driven? Hauling? Towing? Is MPG a concern? You need to figure that out and then evaluate which engine/trans combo is most suitable and applicable.
Scroll down to the engine builds section of this post since you have some learning to do: https://www.ford-trucks.com/forums/1...l#post14213910
Read, read, read.....
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Thanks for the link! I use the truck as a daily driver, but my concerns are ranked as follows:
1. Power
2. Cost
3. MPG
Right now I'm think I'm getting like 9mpg and I can live with it if I have to. And I forgot to mention I have a 2WD.
Thanks again for the info!
1. Power
2. Cost
3. MPG
Right now I'm think I'm getting like 9mpg and I can live with it if I have to. And I forgot to mention I have a 2WD.
Thanks again for the info!
Lead Driver
Joined: Oct 2004
Posts: 8,062
Likes: 35
From: Central Oregon
The FE engine is a good choice in these trucks and will meet the requirements in your list. My son runs a 66 F100 2wd with a FE 390 with a C6 trans; ran as a daily driver for the past 10 years, he now has i down for body work.
My 66 F100 4x4 runs a 390 4sp, engine has not been out of the truck sense 1980; but not a daily driver. Both trucks get in the teens for MPG.
My other son now has my 89 Bronco that has a 460 with a C6, cost to build was not bad good power and pulling; MPG not good. When pulling MPG is about 8-9; 10-12 when not pulling.
My 76 F250 4x4 has a 429 with a 4sd, stroked to a 460: great power and built for pull a big trailer. MPG with trailer is 6-7, maybe a bit more. But about 9-10 empty.
Just show some differences in the in some of the engines in these trucks. I would, IMO stay with a big block FE or 385 series.
My 66 F100 4x4 runs a 390 4sp, engine has not been out of the truck sense 1980; but not a daily driver. Both trucks get in the teens for MPG.
My other son now has my 89 Bronco that has a 460 with a C6, cost to build was not bad good power and pulling; MPG not good. When pulling MPG is about 8-9; 10-12 when not pulling.
My 76 F250 4x4 has a 429 with a 4sd, stroked to a 460: great power and built for pull a big trailer. MPG with trailer is 6-7, maybe a bit more. But about 9-10 empty.
Just show some differences in the in some of the engines in these trucks. I would, IMO stay with a big block FE or 385 series.
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Thanks for your input bertha!
I'm looking at this right now:
Crate Engines - Ford 390 370HP Midnight Crate Engine
Crate Engines - Ford 460 Midnight Crate Engine
Are those considered the same thing as FE series?
Thanks again!
I'm looking at this right now:
Crate Engines - Ford 390 370HP Midnight Crate Engine
Crate Engines - Ford 460 Midnight Crate Engine
Are those considered the same thing as FE series?
Thanks again!
Cargo Master
Joined: May 2010
Posts: 3,365
Likes: 12
From: NW Indiana
390 = FE...you keep your current trans
460 = not a FE...you'll need a c-6 with a different bellhousing
If I look at your list of wants then it's 460 although the 390's can be built pretty strong.
MPG....goes away with that "power" need....and quickly!
This is kinda fun to look at: 460 Horsepower Chart (revised 1/24/09) - 460 Ford Forum
460 = not a FE...you'll need a c-6 with a different bellhousing
If I look at your list of wants then it's 460 although the 390's can be built pretty strong.
MPG....goes away with that "power" need....and quickly!
This is kinda fun to look at: 460 Horsepower Chart (revised 1/24/09) - 460 Ford Forum
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Great advice man! And great link!
I'm thinking I'm gonna go with the 410hp 390 from Phoenix Engines and throw one of these bad boys on there for good measure:
http://www.redrider.us/c6__c4_perfor...nsmissions.htm
They even have an AOD that pumps up the MPG up to 30%!
I'm thinking I'm gonna go with the 410hp 390 from Phoenix Engines and throw one of these bad boys on there for good measure:
http://www.redrider.us/c6__c4_perfor...nsmissions.htm
They even have an AOD that pumps up the MPG up to 30%!
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That 360 FE can be a good motor to build and if you check out Survival Motorsports, they have TONS of stuff for the FE engines. You can use a 390 crank in your 360 to get the 30 extra cubes or you could even go with the 445ci stroker kit from Survival. That was the direction I was leaning before I got distracted by diesel options.
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Sounds like great advise so far, and I agree this site is awesome. Just wanted to put in my 2 cents, I have a 78 f250 that came with a 351M & C6 tranny. When the engine blew, I dropped in a 460 from a 1969 lincoln car that had been rebuilt. The only changes I had to make were the motor mounts and the power steering pump mounting bracket. The swap was easier than I thought and I've been well pleased with it, however, it's just an off road toy and not a daily driver, so I don't know about my mpg. Just wanted to let you know an engine swap is possible and can be fun if you like turning wrenches. Good luck!
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Engine lessons learned
I have a 75 F250 that I got from my Dad. He bought it brand new with a 360 and a 4spd with granny gear and 4.10 gears, he had the engine worked over a bit and was a power house. My sister trashed that engine in high school, and he put a 351C in it, and what a dog. That engine stayed several years until he ran across a 429 out of a '71 Mercury car. I was too young to know, but the bell housing had to be swapped to fit the 351, and luckily dad kept that old 360, because we used the bell housing off it to install the 429. We had to make a lot of home job mods to get brackets to work, but it has since '97. If/when you go to make swaps, I found LandLproducts has kits, I don't know if anyone has used them or not, and if they have, if they think the products are up to par.
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