[Dior55]

Hey Aumoore, that's a cool site for calculating ratios! Based on the info I input, it looks like my speedo is pretty accurate.

Niles, it looks like 2100 rpm would be about 70 mph in 5th.

I'm telling you after running almost 1200 miles with 3.08s and another 5500 miles with the 4.10s, the 3.55's are the way to go for general street use on my BB/TKO set up. I can't describe it. The car pulls so nicely, so smoothly, so strong -- the power curve is just sweet. It's like I have a different car!

I guess you could say I'm extremely happy with the 3.55s and HIGHLY recommend this ratio for guys in a similar situation to mine!