Re: Diff Change
Most people with higher hp engines use Ford 9" diffs. They have a vast amount of ratios to choose from.
What you have is a borg warner 8 3/4 diff. Finding gears to suit especially LSD is not an easy task. There has been various threads here on it. You can do a search for them.
BW open wheel diffs had 2.77/2.92/3.23/3.54 from memory and off the top of my head.
BW LSD has 2.77/2.92 from memory.
XB Fairmont (street car) firstname.lastname@example.org.