BJK's FTO #2: The GPX-R

spetz · Post by **spetz** » Sat Nov 28, 2015 3:43 pm

Other members have fitted these without issues though I thought?
It'll be a shame if you don't manage to get it working

Post by **vipfto** » Sat Nov 28, 2015 3:56 pm

thats exactly whats happening, fits perfect but cocks off to one side with gear cluster in and fouls on bell housing. thought it may be crown wheel but cant see how that can be warped. may even be possible defect in manufacture of diff, will try with another box this week.
All new bearings etc and they are seated correctly been doing my head in

Post by **bjk** » Sat Nov 28, 2015 5:42 pm

spetz wrote:Other members have fitted these without issues though I thought?
It'll be a shame if you don't manage to get it working

Yeah, that's the confusing thing. Ben fitted one, so I assumed it would be no problem. Like Tim says, maybe something with diff, might be the box but seems unlikely to be different enough.

spetz · Post by **spetz** » Sat Nov 28, 2015 8:35 pm

What are the dimensions like compared to the stock diff? Maybe comparing the two can shed some light on the matter?

Technikhaus · Post by **Technikhaus** » Sun Nov 29, 2015 6:02 pm

Hmm, was considering getting one, so interesting to see what's happening here...

Post by **bjk** » Sun Nov 29, 2015 7:20 pm

spetz wrote:What are the dimensions like compared to the stock diff? Maybe comparing the two can shed some light on the matter?

Apparently it is fractionally taller than the Cusco that came out. One wouldn't think that would make it do what it's doing though.

Technikhaus wrote:Hmm, was considering getting one, so interesting to see what's happening here...

Mm. Problem of course is that it's not "specifically" made for the FTO so the warranty is a bit useless even if it was a defect.

We'll see with the last one whether it was just the gearbox, or something else. Sadly RPW didn't update site for the dollar dropping and the Quaife I thought might be close to $1250 is actually closer to $1750.

Post by **Bennoz** » Mon Nov 30, 2015 8:30 am

Got the shims on the correct side?

Post by **kiz** » Mon Nov 30, 2015 10:53 am

Bennoz wrote:Got the shims on the correct side?

You're speaking like BJK is going to know what you are talking about..

Hey Tim....

Post by **bjk** » Mon Nov 30, 2015 12:49 pm

kiz wrote:
Bennoz wrote:Got the shims on the correct side?
You're speaking like BJK is going to know what you are talking about..

Hey Tim....

Exactly why I didn't say anything.

Post by **bjk** » Tue Dec 08, 2015 3:29 pm

Victory.

turns out it was a Cusco crown wheel, and the tiny, miniscule difference in height of it was causing the issue where it locked on bell housing. All honour to Tim

box is back together, shaft spins, all is right in the world.

Technikhaus · Post by **Technikhaus** » Tue Dec 08, 2015 3:30 pm

Awesome news!

Post by **bjk** » Tue Dec 08, 2015 6:23 pm

Technikhaus wrote:Awesome news!

Definitely. Can't wait to drive it again. New diff, upgraded brake booster, new lower engine mounts. Should be sweet.

Post by **vipfto** » Tue Dec 08, 2015 7:13 pm

Was a pita but finally got it sorted. Now i have less hair and whats left is grey.

Will be putting all back together over next couple days. So if you get a wavetrac will need new bearings of course. New speedo drive gear and use the OE crown wheel and shim to suit.

I may do a write up on how to remove and refit box

spetz · Post by **spetz** » Tue Dec 08, 2015 8:16 pm

Great news. Make sure to update us on driving impressions

Post by **bjk** » Tue Dec 08, 2015 8:26 pm

vipfto wrote:Was a pita but finally got it sorted. Now i have less hair and whats left is grey.

Hair? I thought they were just raised particles of grease.

spetz wrote:Great news. Make sure to update us on driving impressions

Oh you'll be hearing about it haha. I can't guarantee it will be a particularly technical appraisal however!

silverGPX · Post by **silverGPX** » Tue Dec 08, 2015 10:14 pm

Awesome pics of the whole process

Post by **bjk** » Tue Dec 08, 2015 10:57 pm

silverGPX wrote:Awesome pics of the whole process

In hindsight I should have asked Tim to take some. I've got some pics of the gear set lol.

Post by **bjk** » Wed Dec 09, 2015 12:29 am

Have some gears as a condolence.

Technikhaus · Post by **Technikhaus** » Wed Dec 09, 2015 6:39 am

vipfto wrote:Was a pita but finally got it sorted. Now i have less hair and whats left is grey.

Will be putting all back together over next couple days. So if you get a wavetrac will need new bearings of course. New speedo drive gear and use the OE crown wheel and shim to suit.

I may do a write up on how to remove and refit box

I'd be keen for a write up, having never done anything like that before, and hopefully will do it next year

Also, part numbers for what you needed too please!

Nice work on getting it all to fit!

Post by **bjk** » Wed Dec 09, 2015 11:30 am

Tim before and after Wavetrac LSD swap.

FTO AUSTRALIA

BJK's FTO #2: The GPX-R

Re: BJK's '95 FTO GPX #2!

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