A518/46rh/46re/47/48re rebuild - Hemi Truck Club
 
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Old 08-31-2016, 04:32 PM   #1
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A518/46rh/46re/47/48re rebuild

Ok all these trains are basically the same internally design wise. The 47/48 have a stronger planetary set in them but it is interchangeable into the 518/46 models. I have a 518 that I am tearing down now for a rebuild. The trains as of rite now needs a front planetary it is aluminum and only 4 pin design that's not going to work for me upgrading to steel 5 pin set. The rear planetary I cannot get to yet as there is what they call an 800lb spring that requires a press to get out. This is not a step that in anyway can be or should be done without a press it can kill you! Look at this thing
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Old 08-31-2016, 04:33 PM   #2
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This is the overdrive unit completely together removed from the trans!
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Old 08-31-2016, 04:35 PM   #3
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Here is a layout of the parts from the main housing! This setup is a lot lighter than the 545 by a decent amount! I will be weighing the total trans after assembly to confirm this.
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Old 08-31-2016, 04:36 PM   #4
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Here is a view of the valve body still on the trans case!
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Old 08-31-2016, 04:39 PM   #5
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Here is the flexplate lol I still can't get over how small it is. The plate is SFI approved also which I am sure I will be needing very soon.
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Old 08-31-2016, 04:53 PM   #6
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Once the rebuild kit comes in and the planetary sets if I need the rear set not sure till I take housing to work and remove big deadly spring! I will be posting more pictures as I go and also taking a pics and specs of it as I rebuild it. This is going to be fun. I am building the trans for a target Hp of around 700hp if that fails then I will swap out the two main shafts and the drums for diesel drums (they cost money) and it will be 1100hp capable all day. For now there will be no trans brake as it is suggested not to do it without the shafts anyway! This will be interesting. This trans has factory ratios of

2.45-1 optional 2.77-1 (can order)
1.45-2 optional 1.55-2(can order)
1.1-3
.69-OD

This should make for taking off quicker these is less rotating mass in this trans. The converter is also beefier in that it will have more inertia so the stall can be a tad lower than normal. We will see it as it goes!
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Old 08-31-2016, 07:55 PM   #7
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Very nice!. Subscribing.
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Old 08-31-2016, 08:07 PM   #8
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Oh, this going to be fun....
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Old 08-31-2016, 08:30 PM   #9
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Old 08-31-2016, 09:23 PM   #10
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A friend of mine has a spare 46rh? (Out of a 94 1500) sitting in his garage right next to my old 545. Just looking at them next to either you can tell That the 46 is smaller
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