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r33 gtr, can it be rear wheel drive???

fredly

By fredly,
in Engines & Forced Induction

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GTR-Ben Proficient

GTR-Ben

Posted
Posted

You don't need an HKS anything to make a GTR 2WD.. there is a simple fuse under the kick panel.

You will wear out the clutch packs however in an R33 GTR due to them having a pre-loaded clutch pack. You need to mod them if you want to run 2WD.. simple spring. But they will respond like an R32's 4WD system and you have to pull the whole transfer case apart to do it.

WhiteR33 Enthusiast

WhiteR33

Posted
Posted

If you read initial-D comics... you will see a guy does that with no mods too.... foot work... just kidding

or you can swap engine with me~ jk again

Honestly, the safest way IMO is to use a torque distributor thingy like grid dancer... this way you have a choice depending on the driving condition...

GTR-Ben Proficient

GTR-Ben

Posted
Posted
Thats interesting....I've never noticed any mechanical differences in the 32/33 transfer cases when rebuilding them........however the 33 does seem to preload the transfer case hydraulically via the attessa system....

The pre-load is caused by the return spring. The R33 has a shorter spring and always has a little tension on the clutch pack.

You can simply install a R32 spring to fix this..

I think thats how it is... might be the other way around.. i forget.

Photo of the spring.

Spring.bmp

RPMGTR Community Regular

RPMGTR

Posted
Posted

The return spring shown in that diagram returns the clutch pack to zero clamp pressure in both 32 and 33.....the only preload/load on the clutches is provided by the attessa slave cyl controlled by the attessa computer....the HKS drag controller(for example) allows 2wd by dropping hydraulic preload to zero in both 32 and 33..

b2barker Enthusiast

b2barker

Posted
Posted

My understanding is the torque split is calculated by the value of some accelerometers. If you adjust the signals from these you can control torque split. Autospeed had a article on doing this with some Op-amps and pots. If you are electronically minded you could do it for <$20.

NXTIME Grand Master

NXTIME

Posted
Posted
Yeah I know, but for the average person to go out, buy a HKS ETS Controller and pay to have it installed. :D

I don't think the HKS gear is available anymore. But the GRID TS Dancer costs about 50,000 yen. So should be under $1K landed (if not also installed).

GTR-Ben Proficient

GTR-Ben

Posted
Posted
The return spring shown in that diagram returns the clutch pack to zero clamp pressure in both 32 and 33.....the only preload/load on the clutches is provided by the attessa slave cyl controlled by the attessa computer....the HKS drag controller(for example) allows 2wd by dropping hydraulic preload to zero in both 32 and 33..

Hmm I maybe wrong... but why even with the 2WD fuse out does the R33 keep preload on the clutches? The Hydraulic system still under pressure?

Blitz Grand Master

Blitz

Posted
Posted
I don't think the HKS gear is available anymore. But the GRID TS Dancer costs about 50,000 yen. So should be under $1K landed (if not also installed).

Actually, HKS Kansai has re-released the ETS. They had it on display at Tokyo Autosalon :(

Beer Baron Grand Master

Beer Baron

Posted
Posted

werd to that my nigga. and it wasn't 50 000 yen either... f**k I should have bought one. Nick, next time you see me looking at one just slap me and put it in my hand, then shove me towards turtle man (with my other hand full of yen). he'll know what to do. turtle man always does.

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