58 Plymouth Savoy 5.7 hemi NAG1 dakota front clip build
#2238209
01/21/17 12:28 AM
01/21/17 12:28 AM
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Joined: Mar 2005
Posts: 303 southwest Alabama
challenger73400
OP
enthusiast
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OP
enthusiast
Joined: Mar 2005
Posts: 303
southwest Alabama
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Thought I would start a build thread on my 58 for those interested. As the title states, i started with a 58 4dr Savoy, manual shift, 318 poly, manual brakes, manual steering. After rebuilding the 318 and going through the gearbox, i decided to go with a modern drive train, power disc brakes and power rack and pinion. I found a 2005 magnum 5.7 and a 1990 Dakota for donor vehicles.
Last edited by challenger73400; 01/21/17 10:53 AM.
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Re: 58 Plymouth Savoy 5.7 hemi NAG1 dakota front clip build
[Re: challenger73400]
#2238576
01/21/17 07:15 PM
01/21/17 07:15 PM
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Joined: Sep 2016
Posts: 255 British Columbia, Canada
Old Ray
enthusiast
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enthusiast
Joined: Sep 2016
Posts: 255
British Columbia, Canada
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Thank you challenger 73400 for posting (and 5280 Dart). I am so glad to have found this site and your posts. I am starting on a similar project on ‘56 two door wagon (Plodge) this spring using a ‘92 dakota frame clip and magnum engine. Do you think that if I (you) used the dropped spindles right off the get go, the front frame rails would be where you want them? Please continue to post your progress and pictures, and once again, thank you for posting, You probably have a good idea of how invaluable and important posts of this kind are.
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Re: 58 Plymouth Savoy 5.7 hemi NAG1 dakota front clip build
[Re: Old Ray]
#2238664
01/21/17 09:45 PM
01/21/17 09:45 PM
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Joined: Mar 2005
Posts: 303 southwest Alabama
challenger73400
OP
enthusiast
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OP
enthusiast
Joined: Mar 2005
Posts: 303
southwest Alabama
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Thank you challenger 73400 for posting (and 5280 Dart). I am so glad to have found this site and your posts. I am starting on a similar project on ‘56 two door wagon (Plodge) this spring using a ‘92 dakota frame clip and magnum engine. Do you think that if I (you) used the dropped spindles right off the get go, the front frame rails would be where you want them? Please continue to post your progress and pictures, and once again, thank you for posting, You probably have a good idea of how invaluable and important posts of this kind are. Yw, Hopefully others can find something that will help with their project. I know post like 5280 Dart and a few others helped me get this far. Here's the Trans cross member modified to support the NAG1. If I would have used 2" drop spindles from the start and not rotated the Dakota section, The front end would have ended up 1" lower then it is now. Rotating the Dakota section raised the K member about an inch in relation to the 58 frame. The front of the car appears to be about where the stock 58 front end was before I took everything apart. I can't advise on you project but I'm happy about the direction I went on mine so far. Where you splice the frame and how you splice it together will also play into final ride height.
Last edited by challenger73400; 01/21/17 10:00 PM.
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Re: 58 Plymouth Savoy 5.7 hemi NAG1 dakota front clip build
[Re: challenger73400]
#2243691
01/29/17 11:26 PM
01/29/17 11:26 PM
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Joined: Mar 2005
Posts: 303 southwest Alabama
challenger73400
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OP
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southwest Alabama
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Nothing seams to just fit together, the booster is a universal 8" dual from summit, the Dakota master cylinder bolt pattern is a little different so the die grinder come out. Also, the pushrod for the master cylinder was to short, It turned out to be a 6mm 1.0 so I made one from a bolt. Of coarse the pedal bracket wouldn't bolt up to the aftermarket booster. I wanted to tie it into the factory bracket anyway so it would have plenty of support when applying the brake. I made a backing plate, tack welded it to the new pedal assembly then braced it to the factory brake pedal/steering bracket. Also made a spacer for the engine side of the firewall. Still got to radius the corners.
Last edited by challenger73400; 01/29/17 11:27 PM.
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Re: 58 Plymouth Savoy 5.7 hemi NAG1 dakota front clip build
[Re: challenger73400]
#2243724
01/30/17 12:31 AM
01/30/17 12:31 AM
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Joined: Jan 2003
Posts: 1,111 tri-cities Washington/Denver, ...
5280Dart
super stock
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super stock
Joined: Jan 2003
Posts: 1,111
tri-cities Washington/Denver, ...
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Here's where I could use some advise. I got my engine wiring harness from hotwire but I need a chassis wiring harness. There seems to be tons of "universal" harnesses out there. Since I already got the engine harness, what harness do ya'll recommend? Having the engine harness may not matter, just won't use some of the wires. I would start here.... http://www.ronfrancis.com/If memory serves, this was the guy that pretty much pioneered the wiring kits.
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Re: 58 Plymouth Savoy 5.7 hemi NAG1 dakota front clip build
[Re: challenger73400]
#2243825
01/30/17 05:05 AM
01/30/17 05:05 AM
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Joined: Jan 2003
Posts: 10,838 Freeport IL USA
poorboy
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,838
Freeport IL USA
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On my son's car, the Hotwire harness has a lot of feeds for a lot of stuff like gauge sender wires, cruise, fuel pump, and a bunch of other stuff you can use as an option. If you use the hotwire harness to its full extent, a very small body harness will be required for the rest of the car. The old cars have very few circuits, originally, Mopar only used 2 or 3 circuits, and the Hotwire unit only needs a few powered sources to run. I believe you will need fuses for: headlights, turn lights, brake/flasher lights, wipers, heater blower, and radio. My son bought a 10 or 12 fuse kit, and almost 1/2 we didn't use.
Also, don't buy the cheapest universal wiring kit you can find, there are some really cheap kits available. Stick with a name brand with tech support. If there is no phone tech support, buy from someone else. Gene
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Re: 58 Plymouth Savoy 5.7 hemi NAG1 dakota front clip build
[Re: wayfarer]
#2245017
01/31/17 11:21 PM
01/31/17 11:21 PM
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Joined: Mar 2005
Posts: 303 southwest Alabama
challenger73400
OP
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OP
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Joined: Mar 2005
Posts: 303
southwest Alabama
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Excellent project! Will be interested in hearing how the Hotwire systems work out. Thanks. I,ve received the wiring harness from hotwire. The quality looks good. I found a broken piece of one plug in the box, traced it down to the capacitor plug. It's different from my capacitor anyways so i'm not concerned. Mine is just a spade terminal i can change myself. My engine turned out to be not original to the car I got it from so year specific/correct plug is not the fault of hotwire. As a mater of fact, Chris probably saved me a big hassle by asking the right questions and getting the coil plugs right for my engine. I'm sure if I contacted him about the plug, he would send me a new one.
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