[MadCow]

Anyone happen to know what rear axle would be on an '89 Mercury Grand Marquis? Any chance it could be a 9 inch?

 

[Nobody]

most likely an 8.8". I'm pretty sure they quit using the 9" in the early 80's.

 

[MadCow]

Yeah, I realized after I posted that that's probably what it is. Thanks.