Fairly stock 318/904 w new gears

NoahSewal said
I would but the carrier is different for the 2.45 gears. so since I have to get a different rear I might as well go to the 8 3/4.
Click to expand...
Correct and depending on year model and this and that yada yada, you MIGHT run into different housings as well with the 8 1/4.