The lag time between you input to the throttle and the engine response is unfortuantely NORMAL.

Some of the above will help. The lag on decceleration is more than annoying, especially on a manual transmission. If you have a manual, don't try clutchless shifting. car gets really upset with you because you just can't synchro the shaft speeds with the throttle. i miss that.

"Drive By Wire is a PITA." But, you do get used to it. Sorta.

roadster with a stick