petrock

I'm getting ready to change the diff fluid on my girlies '98 'stang (just rolled 100k miles). I know I should use RTV silicone gasket maker for the diff cover, but don't know which kind. Should I use Ultra Blue RTV or Red High Temp RTV? Which one is better? Thanks...

blstoff

you can use black if you want to . heres the temp ranges .

blue = -65*F - 500*F
red = -75 - 650*F
black = -80 - 450*F
copper = -75 - 700*F