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Can you use a different rear diff to get rid off the viscous coupler?

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Old Aug 6, 2019 | 07:45 AM
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Default Can you use a different rear diff to get rid off the viscous coupler?

Would it be possible to use say a evo or a sti or even a s2k rear diff with the honda awd trans to get rid of the viscous coupler? And have a full time awd like in evo's and sti's ?
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Old Aug 6, 2019 | 02:46 PM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

Part of the problem is you need a rear diff with a gear ratio that matches the transmission up front. So that makes mix-matching differentials from other manufacturers much more of a problem.

There's a lot more to it than that, I'm curious what others with more experience will have to add.
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Old Aug 7, 2019 | 08:18 PM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

I like my viscous coupler. No issues with it yet, locks up quick and it smooth with out any sort of binding that I had when I had crv trans, crv driveshaft and wagon diff
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Old Aug 8, 2019 | 03:24 AM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

I think all those guys running in the 7's are using viscous couplers so that's probably the way to go.
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Old Aug 9, 2019 | 11:50 PM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

jaguar 3.0 v6 x type & bmw 120d are the only other ones i can think of with a ratio the same (or close enough?) to work
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Old Aug 12, 2019 | 01:41 PM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

Only the EF Wagons had a viscous coupler. The CR-Vs and Element are all dual pump.

You have to have some slip in the system or it binds. Plus the under steer would be horrendous.

Binding leads to parts wearing very quickly or breaking.
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Old Aug 27, 2019 | 01:04 PM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

Yeah you need some way to slip. All 4 wheels rotate and different speeds in corner but with no VC you'd have one front wheel and one rear wheel trying to move at the same speed. Try putting a 4WD truck with no center diff in 4x4 and making a sharp turn on pavement. It'll buck and chirp worse than a welded diff.
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Old Nov 5, 2019 | 07:44 AM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

Is it possible to use rear diff from k20/k24 CR-V for B18 with CR-V B20 gearbox?
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Old Nov 18, 2019 | 07:12 PM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

Originally Posted by Waski
Is it possible to use rear diff from k20/k24 CR-V for B18 with CR-V B20 gearbox?
Interested in this as well.
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Old Nov 24, 2019 | 12:29 PM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

Dare I say Billet Diff. Can the carrier be duplicated? why re-invent the wheel just make it better.

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Old Nov 24, 2019 | 12:30 PM
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Default Re: Can you use a different rear diff to get rid off the viscous coupler?

Originally Posted by Waski
Is it possible to use rear diff from k20/k24 CR-V for B18 with CR-V B20 gearbox?
hmmmmm... this is a good question..
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