6 cyl. conversion
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Freshman User
Joined: Sep 2002
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From: rockdale us
6 cyl. conversion
Hi guys, i have several questions for those who are little more experianced in engine conversions. I have the opportunity to purchase a 1978 ford 300 engine with trans,clutch. I also have the opportunity to purchase a np435 with 205 case.
1) My first question is did ford ever put a 300 ci with a 4 speed in a 4x4?
2) what are my choices for truck candidates to implant the 300 w/4spd into without extensive fabrication,such as trucks that could have came with it.
The 435 with 205 is a option i dont nessacarily need a 4x4.
My goal is to have something i can tow with so someting 3/4-1 ton is ideal.
Any input is appriciated thanks....mike
1) My first question is did ford ever put a 300 ci with a 4 speed in a 4x4?
2) what are my choices for truck candidates to implant the 300 w/4spd into without extensive fabrication,such as trucks that could have came with it.
The 435 with 205 is a option i dont nessacarily need a 4x4.
My goal is to have something i can tow with so someting 3/4-1 ton is ideal.
Any input is appriciated thanks....mike
Senior User
Joined: Jan 2006
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From: Montana
A lot of 1/2 ton Ford trucks from the 80's came with the 300/4-speed combo. The 4-speed I use is more like a 3-speed because the 1st gear is too low for regular driving. If your thinking of towing that requires a 3/4 ton or 1 ton truck, then you're really asking a lot from a 300. It works great in my dad's '84 F150, but I wouldn't use a 300 for heavy work in a 3/4 or 1 ton truck. I'm not saying it can't be done, but don't expect to be passing anybody.
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Joined: Dec 2003
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From: Sussex
It would be a good combination if you want something with a lot of low end torque. That is what the 300 was known for. It also is very reliable if it is taken care of. I have been trying to get a hold of one that has been sitting in a barn for 12 years. I think that it would be an awesome truck. Like was said before, though, you won't be passing anything.
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Freshman User
Joined: Sep 2002
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From: rockdale us
hi guys,will a c-6 bolt up to a 300? also in your opinion is a 300 better for towing than a 360, i know it will be better gas mileage wise, but putting a 300 4 spd, in place of a 360 4 spd, would it be a wise choice?Or my other choice would be a 300 in place of a 351m,again any input appriciated thanks...mike
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Postmaster
Joined: Nov 2003
Posts: 3,568
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From: Middleton, ID
The C-6 would bolt up if it had the Windsor bellhousing.
A 300-6 makes for great towing, it doesn't do things quickly but it does them.
Usually anything is better than the 351M IMO.
A 300-6 makes for great towing, it doesn't do things quickly but it does them.
Usually anything is better than the 351M IMO.
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Tuned
Joined: Oct 2003
Posts: 390
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I have owned a 1978 ford F250 with a 300 6cy and a np435 4sp tranny and a np203 part time transfer case. It was a great truck and would tow anything, the key was the 4:10 gear ratio, could only go about 55mph on the freeway emty or loaded, mpg ran about 17 on freeway 10 in city. empty. I now own a 1979 with the same motor, tranny and transfer case, it has 3:50 gear ratio and is a F150, its a great truck but I don't have the torqe or payload capacity as the F250. I like this set up because gas milage is ok for daily driving but if you have to tow something you can, the laws says towing speed is 55 mph anyway.
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Freshman User
Joined: Sep 2002
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From: rockdale us
Hi guys, one last question the 300 with 4 speed, will bolt into any truck from 1973-1979 as long as you have the 300 six motor mounts? I am going to look into a f-250 2wd for towing and i because i really dont need a 4x4,but if i come across a 4x4 i will still go through with the same conversion.I appriciate the input and look forward to anyone's idea on a good tow rig. I want ot go 300 six for the reasons of gas mileage and good low end torque,just a diesel, except alot cheaper to put together.
