u1753
New Member
Posts: 5
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Post by u1753 on Aug 14, 2018 19:14:25 GMT -5
I'm stumbling my way through an LR4 swap into a 2003 RWD 3.9 Dakota and I going to need to buy a rad for it. Have you guys just been using the stock one and making the Chevy hoses work with it? I've also noticed that you use the 5.9 mounts with the swap plates. Is there a specific reason for that or that's what was used when designing the plates?
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Post by casias on Aug 14, 2018 21:18:56 GMT -5
In both of my swaps I used the dodge radiator. You do have to get a little creative with the radiator hoses. You can take a piece of coathanger and bend it to roughly the shape you need, then go to one of the local auto parts stores and ask if you can go back and look through their hoses. If you go to a NAPA you MIGHT have a little better chance of finding a parts guy with some experience who can help, but you are usually on your own.
As for the plates/mounts. When I first developed the plates, I went with what is still common in LS swaps. Using adapter plates and stock mounts is very inexpensive compared to an actual set of motor mounts, and much less labor and challenge than grinding the frame flush and making your own. I've sold around 100 sets of plates, and a few trucks are completed and running with them, no problem. Mine was swapped 6 years ago and the plates work flawlessly.
Hope this helps.
2000 Durango ZL1 AWD
1999 Dakota R/T 6.0/6l90
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u1753
New Member
Posts: 5
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Post by u1753 on Aug 14, 2018 22:25:23 GMT -5
Thanks for the response, is there a long wait for a set of your plates right now?
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Post by casias on Aug 20, 2018 6:19:20 GMT -5
Thanks for the response, is there a long wait for a set of your plates right now? I usually ship them on the Monday after you order, if we don't go away for the weekend. So one or two weeks at most. 2000 Durango ZL1 AWD 1999 Dakota R/T 6.0/6l90 |
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Post by cncdakota on Aug 20, 2018 9:49:08 GMT -5
Here's the setup I used for my 2003 Dakota 4x4 with a 5.3L Vortec:
The upper hose had to be a two piece to accommodate the filler neck, and since GM uses different size inlets than the Dodge radiator this also made it easier to change the diameter from end to end. I started with a Dayco #71863 (1.50 dia.) coming off the radiator and a #72377 (1.25 dia.) to the engine. I then used a Moroso #63740 filler in between to go from 1.50 to 1.25. This setup runs right across the top of the fan shroud perfectly.
The lower hose turned out to be the harder one. Because it's so short, it's not as forgiving if the ends are too far off. After several failed attempts to find a hose with the right diameters and shape, I ended up using a Dayco #70664 which is 1.75 dia, and a Napa #NBH 901 reducer to bring it down to 1.50 for the water pump outlet.
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u1753
New Member
Posts: 5
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Post by u1753 on Aug 21, 2018 9:13:51 GMT -5
I was thinking about finding a universal one around the right size but maybe I'll stick with a stock one.
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Post by casias on Aug 21, 2018 17:37:56 GMT -5
Here's the setup I used for my 2003 Dakota 4x4 with a 5.3L Vortec: The upper hose had to be a two piece to accommodate the filler neck, and since GM uses different size inlets than the Dodge radiator this also made it easier to change the diameter from end to end. I started with a Dayco #71863 (1.50 dia.) coming off the radiator and a #72377 (1.25 dia.) to the engine. I then used a Moroso #63740 filler in between to go from 1.50 to 1.25. This setup runs right across the top of the fan shroud perfectly. The lower hose turned out to be the harder one. Because it's so short, it's not as forgiving if the ends are too far off. After several failed attempts to find a hose with the right diameters and shape, I ended up using a Dayco #70664 which is 1.75 dia, and a Napa #NBH 901 reducer to bring it down to 1.50 for the water pump outlet. Thanks for the info. For the lower, I cut about 2 inches off of a 1.5 inch radiator hose and stuck it inside my stock dodge 1.75 inch hose to make the inner diameter 1.5 to fit the water neck. I need to look into that upper hose, though. Seems like it should work well. 2000 Durango ZL1 AWD 1999 Dakota R/T 6.0/6l90 |
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