Hey fellas,

Recently bought a 2000 zd30 gu, and its a bloody slug.

Maxs out on a flat road at about 110, flat to the floor. Going up hills slows back down to 70-80 on the highway.

When i first got it home, was having a look and there was no air filter, so purchased one, and cleaned the maf, but its still bloody gutless.

Sometimes itll boost to about 16-18psi, others it wont go over 5 until you restart the car.

Just wondering what you fellas would suggest doing, cheers.