Can anyone recommend the best fluid... i remember when I first test drove this car, I was able to change from 1st to 2nd gear quite quickly... but then I got the car serviced and asked them to change the fluid... doesn't shift as smooth and quickly like I remember... any recommendations?

Did my homework a couple of weeks ago had the same issue 1st to 2nd & 3rd to 2nd. Dumped gear oil and replaced with Redline MT-90 GL-4 gear oil sorted out my issues even at circuit club track day didn't miss or crunch a gear.  

Sweet thanks I'll give that a go

Is this the one you're talking about?
 
http://www.ebay.com.au/itm/Redline-MT-90-75W90-GL-4-Gear-Oil-1-Gallon-3-785-Liter-/201326529700?hash=item2edfff0ca4
 
 

Yes, I purchased and picked up from Rocket Industries for $95.61

cool thanks... i'll try and find it at the local shops

hi guys
i have same problem. is the redline good for NA and noon lsd gearbox