R33 GTR Gearbox???

[ZEUS]

Anyone know or can help me in the right direction to get my gearbox fixed???

my 4th gear crunches and i have to put the gear in slowly...i think the synchro is stuffed.

or should i get a second hand gearbox? will R32 GTR gearbox fit onto R33 GTR??

thanks

[PranK]

Hey ZEUS,

I dont think the '32 Gearbox will fit in a '33.

How much power are you putting out? its a fair bit isn't it? Maybe the factory box isn't strong enough?

Most skyline 'boxes will 'bite' you sometimes when changing around 3'rd and 4'th... my 'R and my old Gtst have/are doing it.

Hope that helps.

Christian

[ZEUS]

thanks Prank..im making 250kw on all 4 wheels at the moment. I have tried Redline oil and it did fix the crunches a bit..now its getting worse again.

did u do anything to fix your problem Prank?

Paul

[gtrken]

R32 GTR after 2/92 ie. the pull type clutch will fit.

Getting a bit long in the tooth though and may have similar issues to yours.

Try Redline Lightweight Shockproof.

Worked in 2 GTR boxes of mine and 1 300ZXTT box. Solved the crunchy shift straight away.

Not cheap at about $28Litre and you need around 4 litres.

If it works great and cheaper than o/haul

Cheers

ken

[gtrken]

Oops , you beat me by about 30seconds...

Maybe refresh it or go for the heavy weight...

Cheers

Ken

[ZEUS]

if it is the gearbox....should i be better to get a secondhand one or get my current gearbox overhauled??? i also heard that if a gear is broken..dont bother fixing it coz its too expensive...is that true?

also its going to cost me like $250 just for the gearbox specialist to see whats wrong with it before i even get a quote on the gearbox to fix it.

i just dont wanna spend like 12-20K on a HKS sequencial gearbox

[PranK]

i just dont wanna spend like 12-20K on a HKS sequencial gearbox

why the hell not??? :)

with my 'box i just put up with it, it never got worse. My GTR doesn't do it very often tho.

You'd probably be best getting your current one overhauled as you can never tell the absolute condition of a 2nd hand unit.

How bad is the crunching? or does it just 'bite' every now and then?

Christian

[ZEUS]

well basically i dont have that kinda money for a gearbox..:D

4th gear crunches all the time if i shift from 3rd to 4th at a normal shift rate. So what i have to do is slowly shift 4th gear in...(that means like the revs dropping all the way down to 1000rpm...sometimes the car even stalls)

i think the gearbox has had enough of my abuse....

[PranK]

ouch... yeah sounds kinda nasty.

i reckon an overhaul/slight rebuild of the box would be the best option... but i'm no mechanic.

[ZEUS]

thanks for your opinions Prank.

much appreciated.

[ben3232]

Have the same problem in my 32 GTR box. Have just learned to double the clutch from 3rd to 4th which stops the grinding. It becomes instinctive after a while. Better than $2K overhaul at the moment. You could also try changing from 3rd to 5th then back the 4th which also works for me. Look into an OS Giken crossgear set. Would love to get it myself.

[N/A®]

R33 and 32 trans both are the same. Only difference is the push and pull system on the clutch design. I personally wouldnt do what others do and convert it. After all it just is not the same as original and complicates matters later.

What I have done is taken the whole internal out of a 32 box. (comes out pretty much 1 piece and put it onto the r33 box housing. Rumours are that 32 internals have stronger gears or better syncro in 2nd and 3rd? but i cant confirm this. Btw, this is my cars 3rd box since I have purchased it.

[ZEUS]

Have the same problem in my 32 GTR box. Have just learned to double the clutch from 3rd to 4th which stops the grinding. It becomes instinctive after a while. Better than $2K overhaul at the moment. You could also try changing from 3rd to 5th then back the 4th which also works for me. Look into an OS Giken crossgear set. Would love to get it myself.

yeah exactly what i have to do too...but i find it easier to double clutch from 3rd to 4th gear then going from 3rd to 5th then back to 4th.

[TerryO]

the 3rd gear has a double syncro system. i am in the middle of fitting a complete GTR internals with double syncro, into 2WD GTS cases.