400 into 318 1985 D-150 with 318
#1423558
04/21/13 11:19 PM
04/21/13 11:19 PM
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Joined: Oct 2010
Posts: 162 Iowa
tt76400
OP
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OP
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Joined: Oct 2010
Posts: 162
Iowa
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I have a 1985 D-150 with 318/727, thinking about maybe swapping my 400/727 into it. The 400 is out of a '75 Cordoba, I already have the BB truck brackets and manifolds, what other issues am I looking at. I was told that the brake booster may have to be changed for a big block, but some said that only for a 440, not a 400. Am I going to have any issues with power steering? Such as the car brackets/hoses/pump not working with the '85 truck box, etc. I know that I will have to lengthen the ignition wiring harness, which is no big deal. I'm just trying to figure out what I will need. So to summarize, I have a 400/727 out of a 75 Cordoba, BB motor mount brackets/kickdown from a truck 440. Not sure about the radiator, will a small block truck radiator work with the 75 B-body 400 water pump housing orientation? Or will I need to swap radiators or water pump housings?
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Re: 400 into 318 1985 D-150 with 318
[Re: 76dodgeboy]
#1423561
04/22/13 12:22 AM
04/22/13 12:22 AM
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Joined: Oct 2010
Posts: 162 Iowa
tt76400
OP
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OP
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Joined: Oct 2010
Posts: 162
Iowa
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I have a dead 440 from a 78 3/4 ton 2 wheel drive with motor mount brackets, kickdown, truck oil pan/pickup etc, so should be good there. I have a few radiators laying around, so should be able to make something work there as well. I thought low deck BB would work with the large diameter booster, so should be ok there as well. I'm hoping that between the small block ps brackets in the truck now, the 78 440 ps brackets and the 76 400 ps brackets, I should be able to make something work. The sb in the truck now is AC, as is the 400, Will probably eliminate the AC, as the truck is a small rotary compressor and the big blocks are the older style of course.
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Re: 400 into 318 1985 D-150 with 318
[Re: tt76400]
#1423562
04/22/13 12:32 AM
04/22/13 12:32 AM
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Joined: Jan 2003
Posts: 18,419 UPPER MICHIGAN, MARQUETTE COUN...
NITROUSN
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 18,419
UPPER MICHIGAN, MARQUETTE COUN...
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Quote:
I have a dead 440 from a 78 3/4 ton 2 wheel drive with motor mount brackets, kickdown, truck oil pan/pickup etc, so should be good there. I have a few radiators laying around, so should be able to make something work there as well. I thought low deck BB would work with the large diameter booster, so should be ok there as well. I'm hoping that between the small block ps brackets in the truck now, the 78 440 ps brackets and the 76 400 ps brackets, I should be able to make something work. The sb in the truck now is AC, as is the 400, Will probably eliminate the AC, as the truck is a small rotary compressor and the big blocks are the older style of course.
Back then they all used the rv2 compressor.
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Re: 400 into 318 1985 D-150 with 318
[Re: NITROUSN]
#1423563
04/22/13 02:20 AM
04/22/13 02:20 AM
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Joined: Aug 2006
Posts: 8,064 Iowa
76dodgeboy
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master
Joined: Aug 2006
Posts: 8,064
Iowa
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