Please help on all fluids change

[ThunderVette]

Hi,
please advise on which modern fluids are recommended for replacing specified fluids below, Mobile and/or Castrol brands preferrable:

VETTE 1990 BASE:

- ENGINE OIL:
GM Goodwrench or equivalent for API SERVICE SG 5W-30 ENERGY CONCERVING II - replace with??

- REAR AXLE OIL:
Lubricant SAE 80W-90 GL-5 (GM part #1052271 or 1052272) - replacement??
Limited Slip lubricant additive part #1052358 - replacement??
Are there any modern oils already containing Limited Slip additives??

- STEERING RACK FLUID GM part # 1050017 or 1052884 - replacement??

- AUTO TRANNY FLUID - DEXTRON II - does Mobile/Castrol make such?? What name is?

- POWER BRAKES FLUID - DOT3 - can I mix it with DOT4?? Which make/name??

Thank in advance.

 

[geogolf]

fluids

engine oil mobil 1 syn. or reg mobil 10/30 or 40, rear diff. I use redline 75/90 with additive already in could use 75/140, power steering any good make is fine you could use redline. brake fluid again any good d0t 3/4 is fine NOt sure but I think you could mix 3/4 but not 5 tranny fluid I have not changed mine when and if I do I will probally go with syn. fluid prob. redline hope this helps

 

[ThunderVette]

geogolf, thank you