75-90 in 03 gears?

[predator_96817]

i used 75-90 in my gears for my car. its fully synthetic. is this bad?

 

[Modular2v]

No it isnt bad 75-90 has a GL5 rating which meets or surpasses the specifications of all manufactuers.

 

[wms004]

factory is 75w-140 which will run thicker of course and provide a little more protection but you should be fine.. i run mobile 1 75w-140 and plan to change it out every 1-1.5 years