VCE (Viscous Coupling Eliminator) group-buy feeler

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VCE (Viscous Coupling Eliminator) group-buy feeler

Postby eric thompson » Tue Mar 05, 2019 7:03 pm

Does anyone have any interest in purchasing a VCE for their All-Trac? I have been working with a reputable design engineering and manufacturing company on this and obviously the more that are made the less they will cost each... Won't be as inexpensive as VCE's were for the DSM crowd but 8-10 pieces made should keep the price under $400... I'm looking to hurry this along as they'll take a good 4-6 weeks for production and shipping, and I need mine before the end of May... Any serious buyers don't hesitate to hit me up via PM ASAP!

Thanks
-Eric

Attached pics are of the VCE design and internals of the OEM VC carrier housing that it rides in... ImageImageImage

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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby CMS-GT4 » Tue Mar 05, 2019 7:50 pm

Just to clarify this will lock the center to 50/50 or just leave it open?
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby eric thompson » Tue Mar 05, 2019 8:05 pm

CMS-GT4 wrote:Just to clarify this will lock the center to 50/50 or just leave it open?
The front and center will remain unchanged... This will essentially be the equivalent of locking the VC to a constant 50/50 split front and rear. No waiting for the VC to engage to spin the rear diff.

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ST165-SCCA STU ROADRACING-(RALLISPEC'S ST165)
NEED ONE MORE FOR STREET:)
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby underscore » Tue Mar 05, 2019 9:58 pm

I wasn't aware that there was any delay unless the fluid has been damaged, either way this is a less expensive option for people than getting a rebuilt VC from Mario (if he's even still doing that).

Can these be installed with the trans still in the car or does it need to be pulled? I imagine that would impact some peoples decision to buy one.
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby eric thompson » Wed Mar 06, 2019 3:50 pm

underscore wrote:I wasn't aware that there was any delay unless the fluid has been damaged, either way this is a less expensive option for people than getting a rebuilt VC from Mario (if he's even still doing that).

Can these be installed with the trans still in the car or does it need to be pulled? I imagine that would impact some peoples decision to buy one.
Only removal of the transfer case is needed to install this.

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ST165-SCCA STU ROADRACING-(RALLISPEC'S ST165)
NEED ONE MORE FOR STREET:)
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby dammitcam » Wed Mar 06, 2019 7:36 pm

I'd be down
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby tHeGeeK » Wed Mar 06, 2019 7:46 pm

Also in
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby eric thompson » Thu Mar 07, 2019 3:02 pm

underscore wrote:I wasn't aware that there was any delay unless the fluid has been damaged, either way this is a less expensive option for people than getting a rebuilt VC from Mario (if he's even still doing that).

Can these be installed with the trans still in the car or does it need to be pulled? I imagine that would impact some peoples decision to buy one.
Also, aside from all of our cars VC's having 20-30 years of use/abuse on them, they also have a limit to how much power they can handle reliably... Whereas the VCE will eliminate that issue.

Sent from my XT1650 using Tapatalk
ST165-PARTS-RED
ST165-SCCA STU ROADRACING-(RALLISPEC'S ST165)
NEED ONE MORE FOR STREET:)
https://www.youtube.com/watch?v=w-RCuV_Hmqk (ITS miata 6spd,4.78 rear, shitloads of fun!! multiple wins and track records in 2014)
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby Spectra1 » Thu Mar 07, 2019 7:01 pm

I'm in for one. What are the down sides?
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby eric thompson » Thu Mar 07, 2019 7:15 pm

Spectra1 wrote:I'm in for one. What are the down sides?
Not exactly sure to be honest... I've done as much research as possible to get feedback from those in the DSM world who have done it and it's a mixed bag but I haven't heard or read of anything catastrophic... Some say they've driven 5+ years daily with no issues and others say parking maneuvering exhibits some driveline binding but nothing crazy.
IMO, it's removing a weak link from the drivetrain.


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ST165-PARTS-RED
ST165-SCCA STU ROADRACING-(RALLISPEC'S ST165)
NEED ONE MORE FOR STREET:)
https://www.youtube.com/watch?v=w-RCuV_Hmqk (ITS miata 6spd,4.78 rear, shitloads of fun!! multiple wins and track records in 2014)
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby CMS-GT4 » Thu Mar 07, 2019 8:22 pm

eric thompson wrote:
Spectra1 wrote:I'm in for one. What are the down sides?
Not exactly sure to be honest... I've done as much research as possible to get feedback from those in the DSM world who have done it and it's a mixed bag but I haven't heard or read of anything catastrophic... Some say they've driven 5+ years daily with no issues and others say parking maneuvering exhibits some driveline binding but nothing crazy.
IMO, it's removing a weak link from the drivetrain.


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I think tj and badn3w both made their VCS permanently locked. I remember reading about the binding at slow speeds in parking lots.
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby eric thompson » Thu Mar 07, 2019 9:56 pm

CMS-GT4 wrote:
eric thompson wrote:
Spectra1 wrote:I'm in for one. What are the down sides?
Not exactly sure to be honest... I've done as much research as possible to get feedback from those in the DSM world who have done it and it's a mixed bag but I haven't heard or read of anything catastrophic... Some say they've driven 5+ years daily with no issues and others say parking maneuvering exhibits some driveline binding but nothing crazy.
IMO, it's removing a weak link from the drivetrain.


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I think tj and badn3w both made their VCS permanently locked. I remember reading about the binding at slow speeds in parking lots.
Definitely NOT a deal breaker for me. I had a legacy GT, mostly stock, that hated to roll with the steering at full lock and none of my All-Tracs ever felt even close to what that felt like.

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ST165-PARTS-RED
ST165-SCCA STU ROADRACING-(RALLISPEC'S ST165)
NEED ONE MORE FOR STREET:)
https://www.youtube.com/watch?v=w-RCuV_Hmqk (ITS miata 6spd,4.78 rear, shitloads of fun!! multiple wins and track records in 2014)
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby underscore » Fri Mar 08, 2019 2:41 am

eric thompson wrote:
underscore wrote:I wasn't aware that there was any delay unless the fluid has been damaged, either way this is a less expensive option for people than getting a rebuilt VC from Mario (if he's even still doing that).

Can these be installed with the trans still in the car or does it need to be pulled? I imagine that would impact some peoples decision to buy one.
Also, aside from all of our cars VC's having 20-30 years of use/abuse on them, they also have a limit to how much power they can handle reliably... Whereas the VCE will eliminate that issue.

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I'm a bit of an odd case as I have one of Marios upgraded VCs but I'm running basically stock power and have no plans to change that.

My next stupid question, is there a benefit to go with this and leave the front open vs that shaft somebody makes (I want to say Agile Performance?) that locks out the center and uses the VC to make the front limited slip? I'm assuming leaving the front open would be beneficial for street driving in parking lots and such.
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby eric thompson » Fri Mar 08, 2019 7:58 pm

underscore wrote:
eric thompson wrote:
underscore wrote:I wasn't aware that there was any delay unless the fluid has been damaged, either way this is a less expensive option for people than getting a rebuilt VC from Mario (if he's even still doing that).

Can these be installed with the trans still in the car or does it need to be pulled? I imagine that would impact some peoples decision to buy one.
Also, aside from all of our cars VC's having 20-30 years of use/abuse on them, they also have a limit to how much power they can handle reliably... Whereas the VCE will eliminate that issue.

Sent from my XT1650 using Tapatalk


I'm a bit of an odd case as I have one of Marios upgraded VCs but I'm running basically stock power and have no plans to change that.

My next stupid question, is there a benefit to go with this and leave the front open vs that shaft somebody makes (I want to say Agile Performance?) that locks out the center and uses the VC to make the front limited slip? I'm assuming leaving the front open would be beneficial for street driving in parking lots and such.
Not exactly sure but since a VC essentially locks to keep both ends spinning at the same speed, I would imagine a VC as a front diff being much like driving a truck with a locker front diff on dry pavement... Fine in a straight line but binding and scrubbing and skipping when steering and turning regardless of speed. I think the Agile shaft is good for gravel rally stuff where turn-in and rotation are heavily influenced by the hand-brake.
Just my 2 cents

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ST165-PARTS-RED
ST165-SCCA STU ROADRACING-(RALLISPEC'S ST165)
NEED ONE MORE FOR STREET:)
https://www.youtube.com/watch?v=w-RCuV_Hmqk (ITS miata 6spd,4.78 rear, shitloads of fun!! multiple wins and track records in 2014)
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Re: VCE (Viscous Coupling Eliminator) group-buy feeler

Postby alltrac101 » Sat Mar 09, 2019 1:22 am

Without a VC there will be greater shock to the center differential. Power is transmitted from the tranny to the center diff then the vc acts like a lsd between the front and rear. The center will eat itself...my 2 cents
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