gear oil for rb20 tranny

[shaggy sr]

I'm really curious, what oil fluid do you use for rb20 tranny? is 80w90 good?

[RB25GUY]

what i use in my big box 25 best mix i used trans felt brand new!

https://i.ebayimg.com/thumbs/images/g/YtcAAOSwq7JUBcCt/s-l225.jpg

https://www.elegantdriftshop.com/414-thickbox_default/redline-manual-transmission-fluid-mt-90.jpg

[shaggy sr]

what i use in my big box 25 best mix i used trans felt brand new!

https://i.ebayimg.com/thumbs/images/g/YtcAAOSwq7JUBcCt/s-l225.jpg

https://www.elegantdriftshop.com/414-thickbox_default/redline-manual-transmission-fluid-mt-90.jpg

I heard it never mixes. It will turn bad. Tell me is 80w90 good? I did some research and no one figured out

[RB25GUY]

you heard wrong my man ive put 5k at 450whp no issues ever!

people will always talk about what they dont know!

http://www.gtrusablog.com/2013/06/preparing-nismo-nissan-skyline-gt-r-for.html

[shaggy sr]

you heard wrong my man ive put 5k at 450whp no issues ever!

people will always talk about what they dont know!

http://www.gtrusablog.com/2013/06/preparing-nismo-nissan-skyline-gt-r-for.html

You got a good point. My car will be DD, nothjng heavy modified. 75w90.m redline might be my first choose thanks for the inpit

[RB25GUY]

no worries, glad i can help!