VT S2 Diff in Brisbane

[Tsunamix]

Mobi Diff's at Springwood are doing up a 3.73 LSD ABS Diff with a 12 month warranty, new bearings and seals, and Fitting it for $1400.00

They come well recommended, offer the longest warranty, are using new genuine gear stock.

I will have it fitted friday and can finally get rid of the single pegger abs 3.08 i have.

[Tsunamix]

Diff is in and the car is a gem. It seems to drop into higher gears sooner, and isn't labouring to do anything.

It's a bit like driving a manual when your in that relaxed carefree mood where you drop a cog a little early and cruise. Acceleration wise tehres a noticeable change. Go's a bit harder. On take off if you spool up against the brake and step off the brake rapidly it will launch hard. If you feather the brake it will break traction and static winding up to about 4800 rpm before picking up traction again. Too much smoke for a fast launch.

Drive out of corners is much improved, instead of leaning on the outside tyre and driving from the inside it now plants and drives from both sides. Car sits flatter and feels markedly more confident. Invites you to go harder.

Good job by Mobi, although it turns out they under quoted me - assumed I already had and LSD and I didn't.

MOBI Diffs and Gearboxes
12 Brennan St Slacks Creek
Ph 07 3808 4576

[greenfoam]

NIce one how did you go with the speedo ? are all the shifts still working good etc?

[Tsunamix]

Therein lies a real saga....

Spoke with 3 Holden service centres, they all said they could do it. I took it to the closest - Village motors at Petrie. They got it well wrong... Then told me it can't be done. So i checked with 2 other Holden service centres, 2 auto sparkies and a specialist tuner. they told me it can. I did my own research, and even found holdens own tech 2 guide on the web, complete with how to enable cop mode, what ppm settings for which wheels, and how to enable the police calibration mode. Took it to Village motors and they said "We won't use anything that we don't get from holden ourselves" ....

Which could be understandable, they wouldn't want to use some failures half arsed guide and get it wrong.

Anyway, I ended up emailing Village motors tech directly, sent him what I found, and had him check it out.

They called me up and said bring it in thursday we've found out how to get it done....

Results tomorrow maybe....

Anyway - I'm not changing the BCM at all, just re-calibrating the dash. So shift points / road speeds will remain the same as far as the BCM is concerned. Theres no feedback from dash to BCm that I need to worry about.

Oh and how does it drive with the well modified gearbox ? Ummmm - dont flat shift into second unless you want to wheel spin for 30 yards at 60ph.

Spool it up against the torque converter, ease off the brakes and it will smoke off the line. The last bit of retardation from the front brakes is all it needs to break the rears free. Step off the brakes fast and it squeaks and gits. Hard. Magic. Should have been the factory diff. Economy seems better at city speeds too.

[minux]

Oh and how does it drive with the well modified gearbox ? Ummmm - dont flat shift into second unless you want to wheel spin for 30 yards at 60ph.

Spool it up against the torque converter, ease off the brakes and it will smoke off the line. The last bit of retardation from the front brakes is all it needs to break the rears free. Step off the brakes fast and it squeaks and gits. Hard. Magic. Should have been the factory diff. Economy seems better at city speeds too.

I thought you were against hooning?

[savage1987]

I thought you were against hooning?

*waves

I'm against hooning, but I still love to give my cars a hiding sometimes Yes, usually on a public road.

BUT!

Spirited driving that is situationally appropriate, and hooning in the suburbs running over kids, not same same.

Sam