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PostPosted: Tue Oct 07, 2008 11:09 am 
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CSM Junkie
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Location: Thrapston, UK
Does anyone know for sure if the tranny from a Galant VR4 RS (yellow top 510cc injectors and 16G turbo) has a front LSD? I've seen conflicting info, but the general perception is that it has some type (either viscous or mechanical) of LSD. I'd like to know for sure. I'm at school right now, so I don't have the code off the tranny, but I'll get it this afternoon when I get home.

I might just stick the axles in the tranny and try to turn them...is there another way to physically check to see if it's and LSD? (I read somewhere that if you pull the axles and can see through the tranny, it's LSD, but that doesn't seem to make a lot of sense).

If I can be sure that this tranny has a front LSD, I'm definitely going to convert it to FWD and use it in my Mirage. The advantages would far outweigh the minimal cost of converting it to FWD.

Thanks in advance,

Scott


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PostPosted: Tue Oct 07, 2008 11:18 am 
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2nd Banana
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As far as I know, the only trannies that had a front LSD are the EVO III trannies. Those RS trannies don't have the right final-drive ratio to work with a US rear-end if you were to use it in an AWD application. Also, the gearing is super, super short.


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PostPosted: Tue Oct 07, 2008 2:36 pm 
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CSM Junkie
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I read somewhere that EVO 1 trannies had front LSD, and that it is the same tranny as the VR4 RS. My tranny has the following code on it: W5M332WQNK.

According to info I found here:
http://www.galantvr4.org/ubbthreads/pri ... ype=thread
Quote:
Transmission model numbers that I know will interchange with my 1991
> Mitsubishi Galant VR4 AWD 5spd turbo:
>
> Model Comments
>
> W5M33-2-NQBK 91-2 Galant VR4 up to 4/92
> W5M33-2-NQBM 92 Galant VR4 mfg 5/92
> W5M33-2-NPXV 91-94 Eclipse AWD 5spd mfg 6/90-2/94
> W5M33-2-NNZT 95? Eclipse AWD 5spd mfg 3/94 [not sure about this
one]
> W5M33-2-NPZT 95-96 Eclipse AWD 5spd mfg 3/94-6/96
>
> From my friends with a switchable 2WD->4WD JDM Galant trans that I
> would LOVE to get a hold of:
> C5OPH-EK1420 or
> C5JPF-FL8420
>
> See http://www.vfaq.com/mods/Tranny-switchable.html for more
details.
>
>>
> FYI: Other Mitsu AWD M/T trans of note that WILL NOT interchange
> (supposedly):
>
> W5MG1-0-FNBR 3000GT 4WD w/ 4WS, 5spd mfg 4/90-5/92
> W5MG1-1-FNCR 3000GT 4WD w/ 4WS, 5spd mfg 11/91-5/92
> W5MG1-2-FNBR or FCNR 3000GT 4WD w/ 4WS, 5spd mfg 6/92-9/92
> W5MG1-3-FNBR or FCNR 3000GT 4WD w/ 4WS, 5spd mfg 10/92-5/93
> W6MG1-0-FNBR 3000GT 4WD w/ or w/o 4WS, 6spd mfg 6/93-end
>
> W5M33-2-NPZS 89-90 Eclipse AWD 5spd turbo mfg 3/89-6/90 [change
> shift linkage]
> W5M33-2-MUZT 97-99 Eclipse AWD 5spd turbo mfg 7/96-end
>
> W5M31-2-VQZH Galant GSX AWD non-turbo 5spd mfg 6/89-5/90
> W5M31-2-VQBK Galant GSX AWD non-turbo 5spd mfg 6/90-5/92
>
> W5M31-2-VNXL Expo-LRV 1.8 AWD non-turbo 5spd
> W5M33-2-NNXL Expo-LRV 2.4 AWD non-turbo 5spd
> W5M33-2-NNXL Expo 2.4 AWD non-turbo 5spd mfg 6/92-2/94
> W5M33-2-NNXZ Expo 2.4 AWD non-turbo 5spd mfg 5/91-5/92

quote:

US TEL 1G 3/89 - 6/90 (shift link) -> w5m332npzs
US TEL 1G 6/90 - 2/94 -> w5m332npxv
US TEL 2G 3/94 - 6/96 -> w5m332npzt
US TEL 2G 7/96 and up -> w5m332muzt

US spec GVR4 to 4/92 -> w5m332nqbk
US spec GVR4 5/92 and up -> w5m332nqbm

US Galant GSX AWD non-turbo 6/89-5/90 -> w5m312vqzh
US Galant GSX AWD non-turbo 6/90-5/92 -> w5m312vqbk

US Expo 1G AWD -> w5m33_mn__??? (Anyone know?)
US Expo-LRV 1.8 AWD non-turbo 5spd -> w5m312vnxl
US Expo-LRV 2.4 AWD non-turbo 5spd -> w5m332nnxl
US Expo 2.4 AWD non-turbo 6/92-2/94 -> w5m332nnxl
US Expo 2.4 AWD non-turbo 5/91-5/92 -> w5m332nnxz

quote:
w5m332 means they are for turbo AWD 4g63 powered 1G, GVR4 and evo 1-3 (don't know about evo iv and beyond, anyone?).

nq -> is for the GVR4 (US and JDM)
np -> if the the US 1G and some 2G cars (up to 96; in '97 MMC switched from np to mu for the 2G)
c50ph -> is the switchable tranny (2wd/4wd)
c51ph -> if for the 88-89 JDM VR4 (early GVR4s) and select foreign market (a specimen was reported in Australia for example) GVR4s

All of the above are compatible with the GVR4 3 bolt and the 1G 4 bolt rear diffs.

wq -> is for the GVR4 RS and the evo1
evo2 and evo3 -> trannies each have letters that are different from all of the above and from one another.

The wq and evo2 and evo3 trannies DO NOT work with the US GVR4 3 bolt nor the US 1G 4 bolt rear diffs. The above data was gathered from multiple lists over a period of two years. I have found no exceptions to date.


PS -- As an FYI there are some wierd ones, for which I cannot comment about their compatibility with US cars. I'd stay away from these. They are:

nr -> unknown
f5m332sp -> unknown
w5m33?nn -> unknown
w5m33?mn -> unknown


W5M31 is a non turbo galant gsx


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PostPosted: Tue Oct 07, 2008 3:13 pm 
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CSM Junkie
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Location: Thrapston, UK
Anyone know Japanese?

Image


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PostPosted: Wed Oct 08, 2008 9:09 am 
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The Silent Administrator
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Posts: 9524
Location: Ottawa, ON, Canada
You can translate it if it was written on a web page but not off a picture. You really would need a Japanese translator in person for that unfortunately.


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PostPosted: Wed Oct 08, 2008 7:04 pm 
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Spends Too Much Time Under The Hood
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Location: Chelmsford, MA
Besides, from everything that I have heard, front LSD trannies use different size axles (not available in US), so you are sort of screwed if this is an LSD diff.


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PostPosted: Thu Oct 09, 2008 6:59 pm 
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CSM Junkie
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Posts: 633
Location: Thrapston, UK
Interesting. I actually have the axles from the GVR4 RS as well. I guess I'll just have to see what works once I start tearing everything apart.


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