nitronoob08

im new to the whole rc thing and i picked up this revo 2.5r with some hopups and a .26 in it now when i jump on the gas the rear end sinks pushing the front end in the air not a wheelie how do i get the rear end to stop sagging and still be able to take some big air jumps

sheograth

Stiffen up the rear suspension. Use beefier springs or thicker oil. What you're describing is completely normally, its the inertia of the chassis and body relative to the forward torque of the wheels - we call it squat. Happens in all vehicles big and small.

nitronoob08

thanks man ill give that a shot is 55wt in the rear to much?

HILLFINGER

Heavier weight oil will not eliminate the sag in the rear it will just slow the action of the suspension. Adding pre-load to the springs you have now should help some if not try going with a stiffer spring.

wave waker

here's what i did to preload the spring, i inserted a collar lock, i don't like that squating too..,.so far it works good to me.

RenegadeRevo

My Feedback: (1)

That's a good idea, but not needed. The threaded shock bodies allow you to set preload on the fly. Just screw the preload bands down a little on the shock...

Mspeed

Be careful putting too much preload on your shocks, you will run more risk of bending or breaking shock shafts and ends. The springs put alot of load on the shock ends and shafts as they compress. When the shafts are fully extended, they are at the most valneriable spot to bend. The more preload you add, the more you raise the shafts out of the shock bodys and you increase the load with the shafts further out of the bodys. If your not too hard on your truck you probably wont have to worry too much by putting alot of preload on them.