Stupid question, but is the bolt pattern for a 2004r from a Monte Carlo the same as the GN 2004r? I used the search but could not find a definitive answer. I see some transmissions advertised as having the BOP pattern. Thanks
The vast majority of 2004R transmissions have a combo BOP/Chevy pattern which is nice. There are a handful out there though that are BOP only. Either one, of course would bolt to a Buick.
