Drive train swap
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- Posts: 6
- Joined: December 19, 2014, 12:31 am
Drive train swap
OK I have a roller 66 f100 4x4. Truck started with 352 fe, with the Borg warner 4 speed with granny low and a Dana 21 transfer. After looking at the nice pitted transfer gears and low parts availibilty, motor is ripped out, trans is next. It got me thinking, is there a relativly easy (yes I know nothings easy when doing this) whole drive line ,just engine to transfer, swap that would lend itself to a little more ponies under the hood. I've always loved the 302 and its huge aftermarket, but I lack knowledge in the trans and transfer department. I would love to keep it with a manual trans and transfer case. Any ideas on donor vehicles to look for.
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- Posts: 67
- Joined: March 3, 2016, 12:53 pm
- Location: St. Louis, MO
Re: Drive train swap
Although the 302 is a widely available engine I don't think it will suit you to well. I don't think it will make enough power with out throwing a good amount of money into it. Not saying it hasn't been done but as far as dropping in a drive train and going I'd say 390 with an NP-205. If you search on the fordication forums there are a lot of guys doing all kinds of swaps from Cummins to small blocks. A lot of good info. At the very least check out some mid 70's 4x4 f100's they are pretty available too and plenty of parts and options to choose from
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- Posts: 906
- Joined: August 12, 2009, 9:44 am
- Location: Ohio
Re: Drive train swap
I think it depends a lot on what you will use the truck for. My 74 F250 had a 360 4 spd. I loved it the way it came, in 2WD I could cruise on the highway and get 17 MPG. I low 4 WD I dragged a 10+ ton loaded big truck back to the shop without raising a sweat. If the 4WD is just for the cool factor, anything will work. The trucks were originally built for low end torque and work.
Re: Drive train swap
The 302 is an easy motor to mod for good power and loves rpms which is great for low gears. My sons 64' with the 302/5-swap we did is a blast with 3.89 gears and eats up 6000 rpm without thinking about it. Any motor 86+ from mustangs and similar era for trucks are roller motors & a cheap score. Gt-40 heads are the best flowing factory heads and will take standard headers from a 70's truck in a slick. While it is not the beast of my other sons 351 Cleveland with a sizable cam it is a fraction of the cost to out fit.
You can check oit our 302/ 5-speed swap here. viewtopic.php?f=32&t=32284
You can check oit our 302/ 5-speed swap here. viewtopic.php?f=32&t=32284
Last edited by Eallen66 on July 26, 2016, 9:55 pm, edited 1 time in total.
Re: Drive train swap
Almost any transmission/transfer case can be bolted to the 302. An NP435 with a NP205/203 doubler transfer case will bolt directly to it. You could never break it.
This super basic 302 makes 350 ft-lbs. Even better it made over 325 ft-lbs at 2000 rpm. It's better than the original 352.
http://sbftech.com/index.php?topic=53.0
This super basic 302 makes 350 ft-lbs. Even better it made over 325 ft-lbs at 2000 rpm. It's better than the original 352.
http://sbftech.com/index.php?topic=53.0