Just hoping to get some advice on our options for the R180 diffs. I have done a quick search without any luck so hoping you can assist.
We have recently completed the auto to manual conversion on the 240z which is now running a 260z 5 speed box however still running the original auto R180 3.55:1 diff gearing which we want to replace to help with acceleration. I have read the 4.11 would be best suited for our car, is this correct? The motor is fairly stock and is only street driven therefore I don't think there is any need to replace with an R200 at this stage, so should we look to source replacement gears such as 4.11, and are these readily available,or are we better off just replacing the entire diff?