One thing I've noticed and I attribute this to torq. The 4cyl is harder to brive than the 6cyl. At least this is the case between both of mine. Oh and power shifting. I'm to afraid to do it on this car. My old 86 626 though. right @ 2500rpm in any gear. It was sweet for that.

Green 96 mystique gs 4cyl mtx 16.9 in the 1/4 mile @102500 miles 95SE in Midnight Red MTX MSDS headers and y-pipe SVT exhaust SVT UIM Optimized se TB. Full pre 98 SVT body kit 15.741 @ 87.73mph :)