I use Losi or Associated oil. No real reason why, that's just what I own.
My Mod Foam setup for high bite ozite.
Front:
-Tires: Jaco Plaid, Corally "Jack The Gripper" inside 1/2
-Springs: Serpent Yellow (short)
-Shocks: Serpent short (original T1), 50wt Losi, 1 hole open, middle top mount, outer bottom mount.
-Sway Bar: Softest-horizontal
-Anti Dive: 3*
-Caster: 1mm shim BEHIND the arm
-Camber: 2*
-Accentric upper arm mount: Rear up, front middle
-Toe: 0*
-Diff:7/8 turn from full tight
Rear:
-Tires: Jaco Purple, Corally "Jack The Gripper" full tire
-Springs: Serpent Yellow (long)
-Shocks: Serpent long (original T1), 40wt Associated, 2 holes open, middle top mount, outer bottom mount.
-Sway Bar: None
-Anti Squat: 3*
-Wheel Base:2mm shim in FRONT of the arm
-Camber: 1.5*
-Camber Link: Stock inner mount, out and down hub mount
-Toe: 1.25* each wheel
-Diff:7/8-1 turn from full tight
-Center pully: Fully locked
-Chassis: 'old' T1
-Top Deck: 'old' T1 (stiffest)
-Motor: Reedy Ti 9x2
-Gearing:34/124
-Tires Size: 57.5mm
The car is very easy to drive, but has a bit of a push. A couple people have told me that when they stand by the first turn, it looks like my car bottoms out, so I'm going to try Serpent blue springs, and go up 10wt oil front and rear.