Changing diff to commy

[thatotherguy]

i have 15x8.5 simmons on my monaro with the standard 10 bolt diff, no rolled guards and they wont scrape and my son has 14x8 jellybeans on his HQ prem also with a 10 bolt diff . is there any reason you want a commodore diff ? if you are worried about your tyres hitting the guards then you just need to get the right offset on the wheels