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Viscous Coupling Units: E1-3 vs VR4

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Started by ENGINR, Jun 25 2017 11:47 PM

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18 replies to this topic

#1
ENGINR
Posted 25 June 2017 - 11:47 PM

ENGINR

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Are the Viscous Coupling Units (VCUs) between EVO1-3 and VR4 the same?


‎"I got an idea, an idea so smart my head would explode if I even began to know what I was talking about." - Peter Griffin

#2
bazeng
Posted 26 June 2017 - 01:17 PM

bazeng

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Time to get rid of that centre diff and vcu. Go locked. A bit more tyre wear but I have been told better to drive even on a circuit....

AMG | http://www.4gtuner.c...mmc-galant-amg/

GVR4 | http://www.4gtuner.c...shi-galant-vr4/
Springy Motors | Autronic | Motec

#3
ENGINR
Posted 26 June 2017 - 09:59 PM

ENGINR

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Told by whom?

George smashed a 1:27 at Winton in his car with the same gearbox I now have in mine.

That's pretty damn fast!
‎"I got an idea, an idea so smart my head would explode if I even began to know what I was talking about." - Peter Griffin

#4
Cranked
Posted 26 June 2017 - 11:48 PM

Cranked

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I do know that Libero vcu are not as thick as Gsr, Evo and vr4. Last one I made into a vcu eliminator clarified that.
GSR Lancer- JE-73-VO, 11.701@125mph, 1.79 60" and getting faster. No:3 conrod now orbiting the moon.

#5
evo-gsr
Posted 27 June 2017 - 12:43 AM

evo-gsr

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From that mongrel box I had? ^
[qoute name="BMGTZ" post="331212" timestamp="1467451744"]I don't know anything ...
Trust in the master of taxis.... He will set you straight[/quote]

#6
Cranked
Posted 27 June 2017 - 05:44 AM

Cranked

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✌
GSR Lancer- JE-73-VO, 11.701@125mph, 1.79 60" and getting faster. No:3 conrod now orbiting the moon.

#7
evo-gsr
Posted 27 June 2017 - 08:32 AM

evo-gsr

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Thought so......
[qoute name="BMGTZ" post="331212" timestamp="1467451744"]I don't know anything ...
Trust in the master of taxis.... He will set you straight[/quote]

#8
DOUGMO
Posted 27 June 2017 - 09:55 AM

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Time to get rid of that centre diff and vcu. Go locked. A bit more tyre wear but I have been told better to drive even on a circuit....

 

no way 


GENUINE CE9A evo2 gsr track car
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winton 1:27.4 /// sandown 1:21.5 /// phillip island 1:49.2 /// haunted hills 59.1 /// eastern creek 1:35.4 /// winton short 1:01.4

#9
DOUGMO
Posted 27 June 2017 - 09:56 AM

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do you need a vcu shayne?


GENUINE CE9A evo2 gsr track car
all fabrication BJP AUTOMOTIVE
winton 1:27.4 /// sandown 1:21.5 /// phillip island 1:49.2 /// haunted hills 59.1 /// eastern creek 1:35.4 /// winton short 1:01.4

#10
ENGINR
Posted 28 June 2017 - 12:24 AM

ENGINR

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Yes mate, I'm wanting to get my hands on one.


‎"I got an idea, an idea so smart my head would explode if I even began to know what I was talking about." - Peter Griffin

#11
bazeng
Posted 28 June 2017 - 03:29 AM

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Brian has some fancy ones...

AMG | http://www.4gtuner.c...mmc-galant-amg/

GVR4 | http://www.4gtuner.c...shi-galant-vr4/
Springy Motors | Autronic | Motec

#12
evo-gsr
Posted 28 June 2017 - 05:02 AM

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And Brian wants some fancy dollars for them too....
[qoute name="BMGTZ" post="331212" timestamp="1467451744"]I don't know anything ...
Trust in the master of taxis.... He will set you straight[/quote]

#13
leadfoot
Posted 30 June 2017 - 12:13 AM

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can you not just VCU eliminate and stay open center dif and force 50/50 split all the time?


yes it's me KHUBNER

#14
Cranked
Posted 30 June 2017 - 12:41 AM

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Yes, but the centre diff is not particularly happy about it.
GSR Lancer- JE-73-VO, 11.701@125mph, 1.79 60" and getting faster. No:3 conrod now orbiting the moon.

#15
leadfoot
Posted 30 June 2017 - 04:31 AM

leadfoot

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Yes, but the centre diff is not particularly happy about it.

hmm i just though the vcu was there to sort of turn the center diff into a sort of limited slip diff so that if a tyre was lifted that all power didn't just spin down there


yes it's me KHUBNER

#16
bazeng
Posted 30 June 2017 - 06:23 AM

bazeng

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can you not just VCU eliminate and stay open center dif and force 50/50 split all the time?


You can BUT the weakness of the 2 spiders will probably cause a failure. Vcu lockers are usually a temp solution not a perm (2wd dyno etc).

AMG | http://www.4gtuner.c...mmc-galant-amg/

GVR4 | http://www.4gtuner.c...shi-galant-vr4/
Springy Motors | Autronic | Motec

#17
CanadianCD9A
Posted 02 July 2017 - 11:41 PM

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can you not just VCU eliminate and stay open center dif and force 50/50 split all the time?

 

That's a good way to slay the AWD capability of our cars. On open diffs, the power always goes to the axle with the least amount of resistance. If you have an axle without traction, there goes alllll of your torque. The Cusco Tarmac is pretty much what you'd get; it would behave like a RWD car. Even the stock VCU will bail you out eventually when you're spinning.

 

I had a Ralliart viscous unit from a Galant VR4, it looked pretty damn similar to the Ralliart viscous unit from an Evo. I'm pretty sure it works just fine.

 

That said, why do you want a different VCU? Is your Evo VCU worn out? I would think a stock replacement would be worth peanuts.


Edited by CanadianCD9A, 02 July 2017 - 11:46 PM.

#18
ENGINR
Posted 03 July 2017 - 01:40 AM

ENGINR

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I'm just chasing another stock VCU.  I don't see the need/point in eliminating/welding/upgrading the unit, I believe Mitsubishi got it right first time!


‎"I got an idea, an idea so smart my head would explode if I even began to know what I was talking about." - Peter Griffin

#19
BYBY5L
Posted 04 July 2017 - 09:14 AM

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Have ya tried pm-ing Rob (EVO-OOX)
Haven't seen em on here for a while though, I remember he bought a couple off Sam (SKMsport) that were new, might be worth a text or pm ???
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