510 differential question

[rishidatsun]

I want to upgrade the rear differential on a 510 with a subaru or a nismo differential. What axle do I use? 

[Bleach]

Do you have a rear axle in your 510 or a differential? Are you asking what diff to use or what half-shafts you might use with a Subaru R160?

[datzenmike]

The 510 and the Subaru R-160 differentials are both made by the same company, Fuji Heavy Industries. The Subaru ones are just newer.

[thisismatt]

4 hours ago, datzenmike said:

The 510 and the Subaru R-160 differentials are both made by the same company, Fuji Heavy Industries. The Subaru ones are just newer.

 

Only helpful on fairly old Subarus at this point, considering spline count is different on the "newer" diffs. 

[demo243]

9 hours ago, thisismatt said:

 

Only helpful on fairly old Subarus at this point, considering spline count is different on the "newer" diffs. 

 

Center units can be swapped very easily though, so if you want to use the gear ratio on a newer unit and have an old unit, you can pull the center from the old 510 diff (suitable for 510 half shafts) and swap into the newer subaru housing with its the corresponding gears. I have done this on a number of R160 units to make a 3.9 LSD, 4.11 LSD and 4.44 LSD that are all compatible with 510 half shafts.

 

19 hours ago, rishidatsun said:

I want to upgrade the rear differential on a 510 with a subaru or a nismo differential. What axle do I use? 

 

OP what are you trying to get out of upgrading? Are you looking for a different ratio or LSD or strength? The short answer is you can use any R160, R180, or R200 in a 510... its just a matter of what other parts you need to swap and how much money you want to throw at it. 

 

More info on your car would help too...