89 Camro IrocZ rear ends

[jreiley]

I need to find a posi-trac carrier for this car. I see ads for 7.5 inch and 8.5 inch. Which one do I need and are they interchangeable for this car. Thanks.

[fast75vega]

I need to find a posi-trac carrier for this car. I see ads for 7.5 inch and 8.5 inch. Which one do I need and are they interchangeable for this car. Thanks.

the 89 camaro came with a 10 bolt rear end which is the 7.5

the 8.5 is the 12 bolt rear end

[jreiley]

Thanks