Was there a difference between the M5R2 manual transmission in any years of

[blkthndr]

Yes, the M5R2 did change. In 89-93 the M5R2 had the following gear ratios:

1st Gear- 3.75
2nd Gear- 2.32
3rd Gear- 1.43
4th Gear- 1.00
5th Gear- .75
Reverse- 3.26

In 94-95 the M5R2 received some different gear ratios. This transmission had
the following ratios:

1st Gear- 3.42
2nd Gear- 2.16
3rd Gear- 1.34
4th Gear- 1.00
5th Gear- .75
Reverse- 3.26