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Fluids on a mostly street Boss 302

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1
0
Exp. Type
Autocross
Exp. Level
Under 3 Years
Houston
I just crossed 75k miles on my 2012 Boss, and figured it was time to freshen it up a bit by doing a full round of fluids. Engine oil, trans fluid, diff fluid, brake fluid, and coolant. It sees monthly autocross and frequent spirited backroad driving (all legal of course) in the south Texas heat. It’s also my DD, and I put about 25k miles on it per year, so I don’t want something too hardcore I’ll have to change super frequently. I’m stuck on deciding what fluids to put in it as everyone has their favorite. Currently I’m thinking this:

Engine oil - Motorcraft 5W50 (as recommended in the owner’s manual)

Trans fluid - Redline MTL (https://www.redlineoil.com/mtl-75w80-gl-4-gear-oil)

Diff fluid - Redline lightweight shockproof (https://www.redlineoil.com/lightweight-shockproof) or Royal Purple 75W140 (https://shop.advanceautoparts.com/p...EnVqX-RP38rNZrz0ZjxoChwgQAvD_BwE&gclsrc=aw.ds)
Brake fluid - some kind of Dot4 or high quality Dot3 to deal with heat and the shared brake/clutch master cylinder

Coolant - Motorcraft Orange VC-3-B (as recommended in the owner’s manual)

Anything I missed or things I should consider? Thanks!
 
Small point, but Ford has discontinued their 'Orange' coolant, and changed a couple years ago to 'Yellow'. Actually looks a bit like old-school Prestone, more greenish than Yellow. But, it is a drop-in replacement for Orange and no special flushing is needed.
 

Dave_W

Cones - not just for ice cream
1,002
1,307
Exp. Type
Autocross
Exp. Level
20+ Years
Connecticut
Do you have the Torsen diff? If so, I'd recommend agains the Redline shockproof - it's too slippery and will reduce the effectiveness of the Torsen. While Torsen will say to follow the manufacturer's manual, they also recommend non-synthetic fluids for best performance in their aftermarket items. Granted, you may want to change the dino oil more often than synthetic, and getting that last bit of performance may not be your biggest priority.
 

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