The Definitive Differential Thread

[BobbyLight]

So when you say the clutch types are clunky on super tight stuff, does that depend on speed or just the angle of the turn itself?

For example, on something like the tail of the dragon would you get clunk with the cusco or OSG?

[Hotrodz]

Originally Posted by BobbyLight

So when you say the clutch types are clunky on super tight stuff, does that depend on speed or just the angle of the turn itself?

For example, on something like the tail of the dragon would you get clunk with the cusco or OSG?

No, they are noise on slow speed tight turns like in parking lot or turning from a stop at a stop light. It's like having a truck in 4 wheel drive and trying to make a tight turn on pavement.

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[Cj7379]

How Long do you think it takes to install this kit, I have 2017 370 base with no lsd.

https://www.z1motorsports.com/quaife...d-pr-2397.html


I understand it does not come with shims/spacers, where can I purchase the ones I need. Thanks.

[jchammond]

Originally Posted by Cj7379

How Long do you think it takes to install this kit, I have 2017 370 base with no lsd.

https://www.z1motorsports.com/quaife...d-pr-2397.html


I understand it does not come with shims/spacers, where can I purchase the ones I need. Thanks.

Having that new of a ~Z~ ,,,You shouldn't need any seals or shims/spacers (other than a tube of Ultra Grey/Black RTV)
Mine was a plug & play...came with new bearings already pressed on & there are only 2 thick shims (1 on each side of carrier).
Pop out both shafts,remove cover & clean all old silicone,remove 4 bearing cap bolts(mark them first) & then gently pull out,,,may take a lady-slipper & prybar.
Though you have a 17',may be easier to just install new side bearings vs. having yours pressed off & onto new one.
don't mix up the thick side shims (L/R) mark those as well.
After removing ring gear from open carrier & torquing to spec on Quaife (w/Loctite),,,just drop it back in & put the thick washers on each side of bearings (as they came off) and Torque down bearing caps to specs (i'm thinking Loctite on those as well) & "Presto"...should be set.
Ck. backlash & use some type of substance to ensure gear contact/mesh is correct.
Also,,,those side washers on each side of bearings will be snug going back into place.
as for you Question-Once out from under the ~Z~ & taking your time-you can install it into the pumpkin in 1 day easily.
You may want to up-grade your bushings; as the rear center one is oil filled & will eventually fail.
A Weekend Job is do-able for sure; pending that you have proper tools & decent work place.

[Rusty]

[Cj7379]

Thanks for the INFO !!!

[Rusty]

Originally Posted by Hotrodz

No, they are noise on slow speed tight turns like in parking lot or turning from a stop at a stop light. It's like having a truck in 4 wheel drive and trying to make a tight turn on pavement.

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With the OS Giken gear lube. My OS Giken diff quite. You don't even know it's there until you start to hammer on the loud pedal.

[Spooler]

Originally Posted by Rusty

With the OS Giken gear lube. My OS Giken diff quite. You don't even know it's there until you start to hammer on the loud pedal.

I can vouch for that. Dang if it ain't quite as a mouse!!!!!!