BTW: how come my 1/8 mile trap speed is so much lower than those with even higher times (e.g., Porsche Boxter 9.62-s @ 75-mph vs. 360TE 9.55-s @ 73.5 mph)?

Should I change from a 3.07 LSD to a 3.27 LSD, or a 2.87 LSD?

Thanks in advance,

:-) neil