Could be replacing the box soon, so need to know what thickness oil i need to use.

Any help appreciated

 

well not sure to be honest mate but i use ep90, i'm running big power and box holdin together,
use to use thinner oil and destoyed 2 boxes, not garenteeing oil was cause or sorted the problem but thats jus my own experiance

 

75W90 full synth for my Stage 1 Bernie box

 

Cheers again Heeman

 

75w-90 fully synthetic is the way to go if the car is modded.

Cheers
Simon

 

Cheers Oilman