8 1/4 sure grip questions

Try to stay away from the cone posi if possible. look for the clutch type. For in town running around like you stated...I find 3.91 nice and they will get you across the street in a real hurry.

Here's a little more info (good & not so good)

http://www.usaimports.co.uk/Mopar_Tech_Pages/mopar_rear_ends.htm