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Rear Wheel Drive.


Thirsty
Junior Member


Galant VR-4 org Post #: 1086523 posted 09/22/12 03:44 AM     Remind Me!  Send Private Message   Edit Post      
Ok Tech heads.
Would it be doable, turning a 4WD Galant into a rear wheel drive only car with the same east west engine transfer case arrangement?
i.e. I do not want to turn the engine round 90 degrees...
Cheers
Ross



1989 Japanese-Spec VR4 Rally car. QRC P6 Clubman Champion..
First o'size Mahle forged pistons, Manley rods and crank, 4G63T engine, HKS 264-272 cams. Big 16G turbo, 3" exhaust. 174ktw; 325nm torque atw.

Posts: 53 | From: Brisbane, Qld, Australia | Member Since: 09/06/07 | IP: (211.31.53.69) | Report this post to a Moderator

turbowop
Hard Snarker
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Galant VR-4 org Post #: 1086525 posted 09/22/12 04:37 AM     Remind Me!  Send Private Message   Edit Post      
Why is it that everybody interested in this seems to come from Australia? Is there something in the water down there?

I'm not sure why you'd wanna do something like this... Welded center diff and a couple of stub axles in the trans to keep it from spilling out the fluid would work, but I don't condone it. Stupid, IMO.



-Mark

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Thirsty
Junior Member


Galant VR-4 org Post #: 1086530 posted 09/22/12 08:08 AM     Remind Me!  Send Private Message   Edit Post      
Ouch...
I used to rally a small NA rear wheel drive car before my current VR4 ride.
There are not a lot of rear wheel drive cars out here for rallying. Some V8 General Motors Holden Commodores.
Too hungry on fuel.
And need to go old shells as they are lighter, '82-89 ish era.
Nissan Silvias are being pedalled, one of the Aussies is over at a Rally in the US now doing just that.
I like the VR4, so if it is a simple as welded centre diff, I would machine some blanking plugs for the front diff and give it a go...
Cheers
Ross



1989 Japanese-Spec VR4 Rally car. QRC P6 Clubman Champion..
First o'size Mahle forged pistons, Manley rods and crank, 4G63T engine, HKS 264-272 cams. Big 16G turbo, 3" exhaust. 174ktw; 325nm torque atw.

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citymunky
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Galant VR-4 org Post #: 1086546 posted 09/22/12 10:28 AM     Remind Me!  Send Private Message   Edit Post      
Quoting Thirsty:

Ok Tech heads.
Would it be doable, turning a 4WD Galant into a rear wheel drive only car with the same east west engine transfer case arrangement?
i.e. I do not want to turn the engine round 90 degrees...
Cheers
Ross





http://www.youtube.com/watch?v=PBau7Hsprw8&feature=related But why?



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LIV4PSI
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Galant VR-4 org Post #: 1086553 posted 09/22/12 11:35 AM     Remind Me!  Send Private Message   Edit Post      
Making a rally car have less traction, with the only benefit being less drivetrain loss does seem just silly. The fact these cars are Turbo/AWD is what makes them worth owning IMO.

Edit: I suppose being RWD might help the car rotate easier



-Craig
1501 Build Thread



Edited by LIV4PSI (09/22/12 11:40 AM)

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JNR
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Galant VR-4 org Post #: 1086557 posted 09/22/12 12:08 PM     Remind Me!  Send Private Message   Edit Post      
Just triple the power so you can do AWD craziness

I agree it's kind of silly to turn these into RWD, other than maybe to smoke the tires for show...I like RWD vehicles, but just wouldn't change this from awd to rwd, as I don't really see the point.

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James
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Galant VR-4 org Post #: 1086558 posted 09/22/12 01:02 PM     Remind Me!  Send Private Message   Edit Post      
because drift car



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Chipped EPROM ECU/2g maf/550cc injectors/3in exhaust /E316G/FMIC/Wally255/AeromotiveAFPR/lower shores MBC

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Thirsty
Junior Member


Galant VR-4 org Post #: 1086581 posted 09/22/12 06:04 PM     Remind Me!  Send Private Message   Edit Post      
G'day.
Just to clear the air.
Driftin' and burnouts NO NO NO!!!
I fully appreciate the car control but it is a waste of tyres.....
I am considering it as an FUN exercise and to run a season in gravel rally as a rear wheel drive.
Personal opinions do not build rally cars, facts and solid information do.
I will chase up the yellow burnout car owner to see how he did the exercise.
Thanks for the input.
Cheers
Ross



1989 Japanese-Spec VR4 Rally car. QRC P6 Clubman Champion..
First o'size Mahle forged pistons, Manley rods and crank, 4G63T engine, HKS 264-272 cams. Big 16G turbo, 3" exhaust. 174ktw; 325nm torque atw.

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fuel
"Just to be pedantic!"


Galant VR-4 org Post #: 1086605 posted 09/22/12 10:14 PM     Remind Me!  Send Private Message   Edit Post      
seems stupid to me. The VR-4 was made 4WD to compete successfully in the rally! If you want something small light and RWD find an older Datsun/Toyota or Ford Escort.



'91 E39A Galant VR-4 Evolution | '80 A164A Eterna GSR Turbo

-- Visit my JDM Galant VR-4 info & specifications site here! --

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kartorium
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Galant VR-4 org Post #: 1086613 posted 09/22/12 11:59 PM     Remind Me!  Send Private Message   Edit Post      
I don't know much about the rules of rally (and definitely not for australia), but I seem to remember that campaigning a 2wd car is easier than an awd. Which is why 90% of the time people that are new to rally do a rwd or 2wd car. Not to imply you're new, but based on this I can see why one might want to run their car in 2wd for a season or so, then go awd and maybe more hp to bump classing down the road in one's career.

Granted, most people would just go with a 2wd VW or mustang or some shit, but I guess if you could do it in one car then make it awd in the future you could effectively be much more comfortable with a given car and have built it's reliability while still progressing in class.

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turbowop
Hard Snarker
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Galant VR-4 org Post #: 1086621 posted 09/23/12 02:04 AM     Remind Me!  Send Private Message   Edit Post      
I thought there were other issues running these cars like that though, due to all the power now running to the rear the axles and other items become a weak link?



-Mark

A face only a grocery shopper could love.
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Thirsty
Junior Member


Galant VR-4 org Post #: 1086630 posted 09/23/12 05:36 AM     Remind Me!  Send Private Message   Edit Post      
G'day.
I have been campaigning the VR4 since 2006. Won Clubman Championship in 2007, finished in top 10 in Queensland three times since then and shared First place in P6 in 2009. Wrote off one VR4 and built a new one for this season.

click

click

The rear wheel idea was a thought, I have a gearbox I could sacrifice to a welded centre diff, but I do so enjoy the acceleration of a 4WD..

Cheers
Ross



1989 Japanese-Spec VR4 Rally car. QRC P6 Clubman Champion..
First o'size Mahle forged pistons, Manley rods and crank, 4G63T engine, HKS 264-272 cams. Big 16G turbo, 3" exhaust. 174ktw; 325nm torque atw.

Posts: 53 | From: Brisbane, Qld, Australia | Member Since: 09/06/07 | IP: (211.31.53.69) | Report this post to a Moderator

belize1334
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Galant VR-4 org Post #: 1086691 posted 09/23/12 09:04 PM     Remind Me!  Send Private Message   Edit Post      
Simple answer: it's not hard.

You need a welded center diff in the transmission so that the rear wheels get torque no matter what. That's the primary expense and effort. Then you need a pair of hacked front axles. The inner stubs go in the transmission to keep oil in / dirt out. The outer stubs go into the hubs to keep the wheel bearings intact. You just eliminate the shaft from the front axles so that the front wheels spin independently from the transmission. Voila, RWD galant.



Roger B. Scott
'91 Belize Green

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cheekychimp Galant VR4.org Moderator
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Galant VR-4 org Post #: 1086700 posted 09/23/12 10:58 PM     Remind Me!  Send Private Message   Edit Post      
I can't find the picture (it must be on my old laptop) but I'm pretty sure one of the Aussie or Kiwi boys had a RWD Galant-VR4 that was a recce car for rally stages. I remember thinking then how ironic that was but that car saw more action in it's native environment than most of ours ever will so I don't think you can knock it that much. If it was me I'd keep AWD for sure if I could but if making the car RWD works to get into the game easier (at least initially), then why not? The welded diff and modified axles is not much of a hurdle and you could revert back to 4WD at a later stage relatively easily.

One other option (though probably not as good) would be to see if you can find one of the 2WD/4WD switchable transfer cases from a JDM car and put the car into FWD mode. I have a GTi Galant in the UK and the FWD Galants are actually still pretty good to drive.



Getting old sucks ... but it sure beats the alternative !!!

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fuel
"Just to be pedantic!"


Galant VR-4 org Post #: 1086710 posted 09/23/12 11:28 PM     Remind Me!  Send Private Message   Edit Post      
the switchable trans are only meant for limping home if the rear drivetrain got broken. You can't put power through them in 2WD only mode.



'91 E39A Galant VR-4 Evolution | '80 A164A Eterna GSR Turbo

-- Visit my JDM Galant VR-4 info & specifications site here! --

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Galant VR-4 org Post #: 1086713 posted 09/23/12 11:32 PM     Remind Me!  Send Private Message   Edit Post      
You mean no more than stock power, or you genuinely have to limp home without putting your foot down at all?



Getting old sucks ... but it sure beats the alternative !!!

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fuel
"Just to be pedantic!"


Galant VR-4 org Post #: 1086717 posted 09/24/12 02:27 AM     Remind Me!  Send Private Message   Edit Post      
I would say the latter. People have reported to break the mechanism when the bolt is removed and driven as per normal.



'91 E39A Galant VR-4 Evolution | '80 A164A Eterna GSR Turbo

-- Visit my JDM Galant VR-4 info & specifications site here! --

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Galant VR-4 org Post #: 1086721 posted 09/24/12 03:32 AM     Remind Me!  Send Private Message   Edit Post      
That's quite surprising. I mean I take your word for it, I'm just surprised that since Mitsubishi went to the trouble of designing it they didn't make it stronger than that!

That maybe easy to say though, I imagine there are technical constraints involved designing a part like that!



Getting old sucks ... but it sure beats the alternative !!!

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turbowop
Hard Snarker
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Galant VR-4 org Post #: 1086730 posted 09/24/12 04:55 AM     Remind Me!  Send Private Message   Edit Post      
What vehicles actually came stock with the selectable trans? Something less powerful and nonturbo perhaps?



-Mark

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cheekychimp Galant VR4.org Moderator
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Galant VR-4 org Post #: 1086731 posted 09/24/12 05:00 AM     Remind Me!  Send Private Message   Edit Post      
I am guessing yes, perhaps an equivalent of the GGSX. I am curious too though. The Dynamic 4 which I believe is the European equivalent didn't have that option as far as I am aware and I don't recall any JDM NA Galants having that specific transfer case either and yet everyone refers to it as a JDM specific part.



Getting old sucks ... but it sure beats the alternative !!!

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turbowop
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Galant VR-4 org Post #: 1086734 posted 09/24/12 05:19 AM     Remind Me!  Send Private Message   Edit Post      
I think it came in some crossover type sport utilities, or minivan type vehicles that Mitsu put out in JDMland.



-Mark

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fuel
"Just to be pedantic!"


Galant VR-4 org Post #: 1086878 posted 09/24/12 08:41 PM     Remind Me!  Send Private Message   Edit Post      
they were found on the early E38A RS Galant VR-4s, they were the older KM225/C50/C51 type transmission rather than the W5M33 that we all know. They were only ever intended to limp home with if you managed to damage the rear drivetrain during a stage. A few of them found their way to NZ as used imports, and many have reported issues with those gearboxes breaking when the selector bolt is removed. It's not the kind of push-button 2WD/4WD selection you would find on the cars designed to have selectable part-time 4WD systems - it's actually a bolt which holds a bracket which you need to remove on the underside of the transmission.



'91 E39A Galant VR-4 Evolution | '80 A164A Eterna GSR Turbo

-- Visit my JDM Galant VR-4 info & specifications site here! --

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Galant VR-4 org Post #: 1086913 posted 09/24/12 10:53 PM     Remind Me!  Send Private Message   Edit Post      
Quoting fuel:

seems stupid to me. The VR-4 was made 4WD to compete successfully in the rally! If you want something small light and RWD find an older Datsun/Toyota or Ford Escort.




Or if he wants to stay with a "Galant", just pick up a GA-GD Galant



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BpuVR4
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Galant VR-4 org Post #: 1088253 posted 10/04/12 02:14 AM     Remind Me!  Send Private Message   Edit Post      
i had the selectable trans on one of my VR4's, didn't really think it was all that. When i got it, i thought, "i wish it would switch between rwd and awd", but like a prev poster stated in it being fwd option for limping home, it makes sense now



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Specter
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Galant VR-4 org Post #: 1088775 posted 10/07/12 05:57 AM     Remind Me!  Send Private Message   Edit Post   
The same switchable drive mode gearbox also came in the Vr4 RS versions, a friend imported a complete half cut from Malaysia down here, and it had the same switchable gearbox.

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