300zx brakes question

[natebell]

I recently bought 300zx calipers and was wondering, how do i tell if they are 26mm or 30mm. I do not know what years had which brakes, but either way i dont know the vehicle year they came from. help someone

[180fan]

http://importnut.net/300zxbrakeswap.htm

[natebell]

Thanks man, that site had everything I was looking for, really appreciate it.