try putting a combination like 50 weight in the front shocks and 40 in the rear, or step down and try 40 up front and 30 in the rear.
also you could try to change the diff oil, if it's too thin in the front or rear, it could cause a loose feeling when your on the gas!
TeamXray RCAmerica Hudy Xlgraphicspro Paint/ Impulse-Rc Clutch shoes.
Xray XB 808 O.S. Speed Or Ninja JX