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Discussion Starter · #1 ·
Well I have been running my 03 with 99,000 miles on, loaded with the Diablo Extreme tune for about a month now. I've read that 2 weeks of that can take care of the clutch in a hurry, now to speed up the process I installed 75hp injectors, and still no slipping, but I'm sure it's coming. Just wondering which clutch to go with, a 550 hp single disc? Or dual disc? Then for the Nv4500 do I have to change the input shaft to be able to change to an aftermarket clutch, I could really find info regarding the 4500 for a 3rd gen so any help would be great!
 

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Discussion Starter · #3 ·
Depends on what you do with the truck but id say go with a dual disk from southbend
Do I need to change the input shaft to a different size or something? I thought I saw that once...
 

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Ya on a nv4500 if you want a DD you will need to upgrade input shaft but you can get a good rated single with an upgraded 13" flywheel like they run in the 6 speeds on that input shaft, good deals on either that DD with an upgraded input shaft and cer/cer singles from Valair and thats what we all run
 

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Discussion Starter · #7 ·
Ya on a nv4500 if you want a DD you will need to upgrade input shaft but you can get a good rated single with an upgraded 13" flywheel like they run in the 6 speeds on that input shaft, good deals on either that DD with an upgraded input shaft and cer/cer singles from Valair and thats what we all run
Thats what I wanted to know! Thanks also for a big single disc do i need to upgrade the hydraulics?
 

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Two words....SOUTH BEND...:thumbsup:
yup!

it all depends on how much power you plan on having if you have to upgrade the input shaft. i'd pretty much say yes upgrade it and get a dual disk, that way you never have to do it again.
 

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Discussion Starter · #9 ·
yup!

it all depends on how much power you plan on having if you have to upgrade the input shaft. i'd pretty much say yes upgrade it and get a dual disk, that way you never have to do it again.
Well I don't plan on huge numbers, pretty much whatever a programmer, my 75hp injectors, and a turbo will yield me will be it...
 

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Thats what I wanted to know! Thanks also for a big single disc do i need to upgrade the hydraulics?
No need to do the hydraulics unless you do the DD and upgraded shaft
 

· Shiftin Fool
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in that case i believe that the CON OFE would be perfectly suited to you.
 

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Discussion Starter · #12 ·
I think I may be going with a SB dual disc for the standard input shaft, seems to be cost effective and should be enough for what I need.
 

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Discussion Starter · #13 ·
The stocker let loose tonight, I was exiting a 90degree curve in a hasty manner in 3rd, spinning the tires, shifted to 4th spun a bit and boom rev limiter, 5th same thing then I knew. Still holds good through 3rd, gonna drop down to the tow tune until Friday. GOOD THING MY SB3200 DD CAME TODAY :party018: but now instead of going to the track with intentions of ruining my clutch Friday night, I have to install the new one:doh:
 
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