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5.9 Cummins link thread....

obijuank5 said:
I believe the full spline just means it's splined all the way under the 5th gear so it should be able to be used in conjunction with the repair nut.
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that was my uninformed understanding from reading... I'll definitely order that repair kit no matter which shaft i end up with...... does the whole unit need disassembly to install that?

and thanks man, i really appreciate you taking the time to answer my questions... :thumb:
 
ryoken said:
that was my uninformed understanding from reading... I'll definitely order that repair kit no matter which shaft i end up with...... does the whole unit need disassembly to install that?

and thanks man, i really appreciate you taking the time to answer my questions... :thumb:
Click to expand...
http://fifthgearrepair.com/installation.html Looks like just the tailhousing needs to be removed to do it.
 
obijuank5 said:
I have that clutch on my dodge. 450 hp 850 foot pounds and 37s. It does a great job and has never slipped even on a dyno pull.
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how much modding did you have to do to get those kind of #'s?
 
:haha:


i'm guessing i'm gonna be up many a night this winter reading up on pump mods, turbo's, intercoolers, etc to see what my best approach will be...
 
Yes you will. There is information overload on it. Theres a cool newer in cab adjustable fuel plate out there now.
 
does anyone know how much vacuum i'll need for the AC doors to work? is that something minor enough for some small, aux electric unit? or is it easier to just leave the pump on?
 
I wish I could guide you here but that's probably the easiest way and plumb it to the oem vacuum system.

Nv4500s don't seem to overheat. Not really thinking a cooler is necessary.
Stock p pump will get you to your power level you want. Just crank it up a little.
 
obijuank5 said:
I wish I could guide you here but that's probably the easiest way and plumb it to the oem vacuum system.

Nv4500s don't seem to overheat. Not really thinking a cooler is necessary.
Stock p pump will get you to your power level you want. Just crank it up a little.
Click to expand...


thanks.... yeah, I forgot about the vent door stuff... i figure a small electric on a wheelwell is fine by me.. i won't even be close to getting AC done in it initially.. but need to plan for down the road...

and yeah, I'll just do the minor performance upgrades as i need, or get to.. with a certain performance level in mind for the end... depending on what i need to buy for install, etc... like an intercooler maybe, exh manny, etc... turning the pump up a bit, maybe a bit better turbo and injectors at some point..
 
thanks for the evening research project!! :angry1: :doah::whistle::bow::haha:

I totally forgot to look at that, off to the gear calc... at least the front needed to be done anyway... let's see what 4:88 comes up with...
 
1700 rpm = 62 mph

1800 rpm = 66 mph

1900 rpm = 70 mph

2000 rpm = 73 mph

2100 rpm = 77 mph


that actually looks pretty good to me from what i've read... best economy/mileage is about 17, 1800 "they" say....
 
:haha: :haha: :haha:


I'm like eleventy yr's from regearing the front... :doah: :whistle: :doah: :dunno: :haha:


ONCE the rig is back up and running with a 6BT, I'm gonna have a local dude do the front shaft build and regear the 60.... so, 2020, if I'm lucky! :saweet:
 
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