hey people i need help with my 92 gsr. when my car is bearly warmed up it drives good , but when it's hot already it lags on me on 3 1/2 to 4 1/2 Rpm. but when the V-TEC pops it pulls hard. I already did a valve adjustment check my ny timing and major tune up, I dont know what's going on with my car. PLS I NEED SOME TIPS