What would you rather have? - Page 2 - Dodge Cummins Diesel Forum
94-98 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect...NO ADVERTISING

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post #13 of 55 (permalink) Old 09-08-2019, 07:03 PM
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I am either doing NV4500 or the 5600 or a paint job.
Then do the NV4500 or paint. The NV5600 swap is expensive (more than $2000) if you can find one, hard to find parts for and isn't much stronger. For the same money as a NV5600 you can do a G56. Personally I'd do the manual transmission swap.


97 3500, 2 WD, G56, slightly bombed, 1.3 million miles. Started the second million on 8/24/13
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post #14 of 55 (permalink) Old 09-08-2019, 07:10 PM
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Life is too short to be bitter move along lol
No bitterness here. I've never considered an Allison, in any configuration or application.

97 3500, 2 WD, G56, slightly bombed, 1.3 million miles. Started the second million on 8/24/13
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post #15 of 55 (permalink) Old 09-08-2019, 07:59 PM
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If your trans is holding strong, do the paint now and g56 later. If the trans is weak, then g56 now and paint later.

The allison in the pickups are no where near as strong as what is in the OTR trucks or the tank. Kinda like how your truck and OTR trucks can both have a Cummins but the Cummins in big trucks are totally different than the pickup version.
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post #16 of 55 (permalink) Old 09-08-2019, 08:19 PM Thread Starter
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My paint is flaking on the hood and does not look that bad unless you get up close. The trans is holding strong so maybe I just wait and do a G56 later and get the painting done now.

What are the differences between G56 and NV4500?

1998 SLT - 12 valve auto 4x4 / 4" MBRP /3 k springs / hx35/40 turbo / Thuren / Deaver suspension
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post #17 of 55 (permalink) Old 09-08-2019, 08:21 PM
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G56 is a 6 speed trans. Found in trucks 05 and up. I think late 05 some 05s are nv56 some are g56. Either way it's a pretty good trans for general purpose and better at towing than the 45. Parts are easier to come by than for the nv56.

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post #18 of 55 (permalink) Old 09-08-2019, 08:30 PM
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Look for a later g56 with the lower over drive ratio. @GAmes, did u notice a difference in mpg going from 4500 to the early g56?

1998 12v, 4x4, Club Cab, Carli, Thuren, BlueTop, Core 4x4, BD Diesel, PDD 5x.012, South Bend
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post #19 of 55 (permalink) Old 09-08-2019, 08:31 PM
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Kinda like how your truck and OTR trucks can both have a Cummins but the Cummins in big trucks are totally different than the pickup version.
Zactly

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What are the differences between G56 and NV4500?
The NV4500 was not designed for commercial use but is fine for most day to day users. It is a light duty transmission installed in a light duty truck. The G56 was designed as a medium duty truck transmission and is used extensively in commercial trucks in South America..

97 3500, 2 WD, G56, slightly bombed, 1.3 million miles. Started the second million on 8/24/13
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post #20 of 55 (permalink) Old 09-08-2019, 08:33 PM Thread Starter
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I do not tow and just drive the truck daily and maybe some off-road trips and thats about it. My truck does have 4.10 gearing, as I am not sure how that plays into things either.

1998 SLT - 12 valve auto 4x4 / 4" MBRP /3 k springs / hx35/40 turbo / Thuren / Deaver suspension
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post #21 of 55 (permalink) Old 09-08-2019, 08:36 PM
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Look for a later g56 with the lower over drive ratio. @GAmes, did u notice a difference in mpg going from 4500 to the early g56?
Yes, but it was an increase in RPM at 60mph that improved my mileage. I have a 3.5 rear ratio and stock size tires, 215/85R16s. Mine is the AD version, you are looking for an AE version if you don't tow a lot.
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97 3500, 2 WD, G56, slightly bombed, 1.3 million miles. Started the second million on 8/24/13
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post #22 of 55 (permalink) Old 09-08-2019, 08:51 PM Thread Starter
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What is the difference between the AD and AE versions? Driveability wise will the G56 be better than the 4500?

1998 SLT - 12 valve auto 4x4 / 4" MBRP /3 k springs / hx35/40 turbo / Thuren / Deaver suspension
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post #23 of 55 (permalink) Old 09-08-2019, 08:53 PM
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What is the difference between the AD and AE versions? Driveability wise will the G56 be better than the 4500?
Different gear ratios. Drivability is totally opinion.

97 3500, 2 WD, G56, slightly bombed, 1.3 million miles. Started the second million on 8/24/13
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post #24 of 55 (permalink) Old 09-08-2019, 09:12 PM
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4.10s wont be great with any of the sticks shift. Unless you have big tires or never get on the highway. Imo the late g56 with 3.73s is perfect for towing and the 3.42s are great for just unloaded driving around. Both with 285/70 tires.

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