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Trust Re: Gearboxes

Guest Mashrock

By Guest Mashrock,
in Suspension, braking, tyres and drivetrain

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RPMGTR Community Regular

RPMGTR

Posted
Posted

They are made by Quaife (England) under license for Trust.

You can buy parts from Trust Japan.

You will be buying lots of parts... :uh-huh:

Hey there. i'm currently rebuilding my trust dog box.

and would like to know. who the hell makes them?

is it hollinger??? as thats what i was lead to beleive!!

HELPPP

Guest Mashrock

Guest Mashrock

Posted
Posted

the bit that makes me cry, is that the replacement box at the moment cant handle being shifted frm 2nd to 3rd and has broken also. shame shame shame!!

but i'm without a licence so i dont really give a fark at the moment.

just hope i can get this puppy fixed so someone or myslelf can use it

MYRB30 Rising Star

MYRB30

Posted
Posted

Least you got to drive yours! I picked up a stolen and recovered one. Idled nicely, started well. Yep I bought it. Drove it on the trailer, drive it off the trailer at home. Start putting the interior etc together before i register it. Then it turned to %$^t! My mate starts it and asks why my oil pressure guage doesn't work. Strip the bottom end. Previous rebuild had too much silicon on the sump and jammed the oil pump relief valve open! Been like it for a while cos the thrust bearing surface on crank is rooted. So i kinda lost motivation for fixing my GTR too!

Guest Mashrock

Guest Mashrock

Posted
Posted
mashrock that is nasty stuff!!! how did you manage to do that? and what sort of power are we talking here?? makes me want to granny shift for life!!!!

its more response than power.

i have 34n1's, cams, 1.2 bar, etc.. porbably around 300-350kw?? i am not sure about figures. but my mate who has driven many of the skyline say its definatley one of the quickest hes driven.

DSC02570.jpg

this is the shaft stripped down. there be more photos in the galery

Guest Mashrock

Guest Mashrock

Posted
Posted
Contact Simon at www.ppgearbox.com.au/ as I know they have gears to suit all different box's.

i can get it locally machined etc.

DSC02573.jpg

this is what i need which is the main shaft on the imput side..

its no problem to get made at all. but i am seeing what quaiffe have to say before i move ahead.

SteveL Mentor

SteveL

Posted
Posted
this is what i need which is the main shaft on the imput side..

That's a torsional failure of the shaft - probably fatigue. I'd need to see a photo of the fracture surface to be sure, better still I'd prefer to examine it directly.

Looking at the design and the fracture location, the failure is probably related to the design of the splines and their relationship to the bearing. Poor heat-treatment/core strength are possibilities as well. A proper failure analysis would tell the story.

Guest Mashrock

Guest Mashrock

Posted
Posted
That's a torsional failure of the shaft - probably fatigue.  I'd need to see a photo of the fracture surface to be sure, better still I'd prefer to examine it directly.

Looking at the design and the fracture location, the failure is probably related to the design of the splines and their relationship to the bearing.   Poor heat-treatment/core strength are possibilities as well.   A proper failure analysis would tell the story.

have a look through my pictures. and there is a nice direct photo.

looks like poor heat treating to me..

but i am no expert.

but i also figured that the splines were definatley cut down way too far . they were atleast 1.5cm too far. and as you can see twisted and schnapppp!

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