With the stock shocks, and stock un-drilled pistons you'll want to start with 30-35wt up front, and 25-30wt in the rear. The stock piston holes are only 1.2 mm and oils any thicker than what I listed will feel too thick...Most are drilling the pistons to 1.4-1.6mm and using thicker oils for more consistency...Hope this helps...

Have Fun...Burn Nitro...