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The Yukon NVG4500 Manual Transmission Swap Thread

   
Old Jun 1, 2018 | 09:25 PM
  #101  
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Originally Posted by Sierraman02

Would you recommend just putting a 4l80e in then? I do hate how it’s never in the gear I want.
Honestly I've never driven a well built and tuned auto trans so I have no idea what a good 4L80 feels like. However everyone on this forum seems to love their 4l80s the swap seems pretty easy and i know they hold power well.

If you ever get the chance to drive a RCSB with a factory manual trans (NV3500) then you will have a pretty good idea of how the NV4500 feels. I love mine and wouldn't consider going to an auto but I really love sticks
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Old Jun 2, 2018 | 10:40 AM
  #102  
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If you ever get the chance to drive a RCSB with a factory manual trans (NV3500) then you will have a pretty good idea of how the NV4500 feels. I love mine and wouldn't consider going to an auto but I really love sticks [/QUOTE]
Actually I could go drive a Manuel dodge at our farm to try it out but I think I will go with the 4l80e also don’t want to fill up this form anymore.
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Old Jun 4, 2018 | 09:02 AM
  #103  
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Originally Posted by axekick
There are two ignition power sources to the PRNDL switch. Couldn't one of those be used for the clutch switch? I'm thinking for the CLutch Position Switch:

Pin A - Comes from the Brake Wiring
Pin B - Not Used?
Pin C - Take from Pin 11 on PNRDL
Pin D - Take from Pin 1 on PNRDL
Pin E - Take from Pin 12 on PNRDL
Pin F - Goes to PCM Blue 35

Edit, it looks like my wire colors differ from this, but I assume the pin locations are the same.
You could use an ignition powered hot leg from the NSS. Just remember that if you or someone else is troubleshooting something years down the road it might trip them up if they are going off the factory diag. EG: A fuse is blowing for something that isn't supposed to be on that circuit.

PS just finished my 3000+ mile road trip on the atomic bracket and worked really good in all of the bumper to bumper traffic.
Last edited by 2002_Z28_Six_Speed; Jun 8, 2018 at 03:36 PM.
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Old Jun 11, 2018 | 04:34 PM
  #104  
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Originally Posted by dantheman1540
What gears do u have? I have 4.10s and 33s I start everywhere in second causr first is so low. I like it for towing and off road tho. I've put around 8k on my NV4500 and recently made a 1200mile trip towing 7k no problems at all.
I have 4.10s right now but after some simple calculations I think I'm going to go to 3.08s. I'll be able to use all the gears like that. 1st will be just a little lower than with the 4L60 and 4.10s and 5th with be higher than 4th was. So I'll be able to launch, and putter around on the highway. It'll still be fine for towing.
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Old Jun 11, 2018 | 09:13 PM
  #105  
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5th with 3.08s would be awesome for low rpm on the highway!
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Old Jun 12, 2018 | 01:44 AM
  #106  
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Originally Posted by dantheman1540
5th with 3.08s would be awesome for low rpm on the highway!
be just over 1700rpm @ 75mph, running 33s. not the worst but probably pretty doggy without a blower or big block torque
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Old Jun 12, 2018 | 01:45 AM
  #107  
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but the 'hoe's got smaller tires & dan's got a blower
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Old Jun 12, 2018 | 08:40 AM
  #108  
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It's true. 3.23s might be a little better but I think 1st might be a little short for 3.42s. It's too bad, cause 3.42s are so common I think someone would give me some.
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Old Jun 12, 2018 | 01:48 PM
  #109  
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I think I am doggy under 70 mph in 5th gear with 3.42s but it could be the cam I have.

The gears seem steep till you have a trailer. Then I use all of them and they are fine.
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Old Jun 12, 2018 | 02:19 PM
  #110  
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How big are your tires? That 408 should be plenty torquey! I am starting to think 3.42s might be a better choice for me. I think that would make 1st gear useable for me. I don't mind if it's doggy in 5th on the highway. I can just put it in 3rd
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