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Drift_R32
27-02-2009, 03:53 PM
hey
wanna change gearbox oil becuase its prob never been changed and it crunches 3rd and 4th high RPM. dunno if theres an additive i could use to minimise this-what oil should i use and if additive?

also wats to service front and rear diffs-wats a good oil to run

ALSO if i was to look for another box, do i need another 4wd box or is the transfer cause a seperate part to the actual gearbox? or should i look for a 26 box or rebuild..cheers
Brett_J
27-02-2009, 04:06 PM
I've used the Nulon G70 gearbox additive before, the box never broke, so I guess you can say it works :)
Changes were smoother though.

I recommend VMX80 for gear oil.
LSX90 for diffs
Drift_R32
27-02-2009, 04:13 PM
cheers dude!
Passage GT
27-02-2009, 05:08 PM
the gts4 uses the same 5 speed as the gtr/rb26 too:)
ED40
27-02-2009, 05:11 PM
I've used the Nulon G70 gearbox additive before, the box never broke, so I guess you can say it works :)
Changes were smoother though.

I recommend VMX80 for gear oil.
LSX90 for diffs

Can also vouch for that my box is quiet and smoother using VMX80 and G70 additive.
Drift_R32
27-02-2009, 05:11 PM
they pricey ?? also wat are they like strength wise ?
Alt_F4
27-02-2009, 05:21 PM
the gts4 uses the same 5 speed as the gtr/rb26 too:)

AFAIK the boxes, while interchangeable, are different... Its argued they are are weaker, but they definitely have shorter 1-3 ratios compared to the GTR box.
Drift_R32
27-02-2009, 05:37 PM
which are weaker ? the Rb20det box in there now ? wouldnt surprise me its not exactly meant to put up with a Rb26dett. mite just rebiuld the stock box with stronger internals.
SimonR32
27-02-2009, 06:23 PM
AFAIK the boxes, while interchangeable, are different... Its argued they are are weaker, but they definitely have shorter 1-3 ratios compared to the GTR box.


whats?!?

they have different diff ratios not gear ratios
DISTRBD
27-02-2009, 06:47 PM
Can also vouch for that my box is quiet and smoother using VMX80 and G70 additive.

Put that nulon additive in my patrol box , prior to it going in it sounded like it was going to explode due to typical cluster rattle but now its so quiet ;)
Alt_F4
27-02-2009, 06:56 PM
whats?!?

they have different diff ratios not gear ratios

I'm pretty sure its both, I already knew of the diffs being different, apparently gearbox ratios are listed in workshop manual as being different. I only have the GTR manual, so i can't confirm.
Drift_R32
27-02-2009, 07:24 PM
Put that nulon additive in my patrol box , prior to it going in it sounded like it was going to explode due to typical cluster rattle but now its so quiet ;)

haha liking this shit more and more!