gearbox oil

[miller81]

going to change the gearbox oil and just wanted to know what viscosity to use or brand??

 

[adz87kc]

I use Silkolene Syn5 75w-90 for the gearbox and diff

 

[spoonman]

have a look through this, as this subject has been well covered

http://forum.s15oc.com/showthread.php?1543-diff-oil&p=19794#post19794