[DanielS281]

Below is my list fluids that I use for race day in my 07 Mustang GT (Saleen). Please let me know if anyone has any other recommendations. I am not 100% certain of the best fluid for the manual transmission (stock 5 speed):

Coolant: standard 50/50 ethylene glycol with RedLine Water Wetter
Brake Fluid: Motul RBF 600
Engine Oil: Red Line 5-30
Manual Trans: Red Line D6 ATF
Differential: Red Line 75-90 (bottle claims additive already included so I do not supplement)
Fuel: Red Line Injector Cleaner (I was told the Mustang injectors need lubrication)

Much of what I know and do is because of “what I was told”. I thought it might be a good idea to share this info on a forum to see what kind of feedback I receive. Hopefully we can all benefit and save our machines. :-)
Thanks, Daniel

[DanielS281]

I do not add additional friction modifier to the differential fluid.. Again, because I was advised against it. When I used the fluid recommended by Ford it would boil and blow out of the vent after 3 laps around the track.

[scld1354]

What fluids did Ford recommend you to use for the rear diff? I would like to avoid that problem if I can. ( I am currently using synthetic Valvoline GL-6 rated stuff with the Ford Friction Modifier. I was told to used this stuff by a local guy who specializes in rear diffs...) Also, does the Red Line stuff work well? Any complaints about it?

Thanks
Jon

[JacksonS197]

I haven't used any of the redline fluids but the Motul stuff is good. I've used that in all of my track cars. Is that buttonwillow in your avatar?

[DanielS281]

My fluid line up has changed slightly:

Engine Oil: Red Line 5-20
Rear Axle: Red Line 75-140
Manual Trans: Red Line D4 ATF
Brake: Motul 5.1

Why the change:
Engine Oil: apparently 5-20 better for valves and all the othe racers use it :-)
Rear Axle: Recommendation from Red Line - Boil over problem solved
Manual Trans: Red Line recommended D4 over D6 for the synchros
Brake: I keep hearing that 600 is not necessary and not good for seals and ABS (I personally do not know better)

Track in picture is Thunder Hill