Are there different mount for this of Buick riviera, or do I have a early year model that might be a 1966 model
No, the 67 got the 430, the 66 had a completely different engine. http://www.rockauto.com/en/catalog/buick,1967,riviera,7.0l+430cid+v8,1319059,engine,motor+mount,5552
I have my car in the shop now and I’m waiting until the motor mounts get revulcanized, but I want to buy a spare pair just in case I get to crazy one day. I have the Buick with the 9 3/4 rearend.
Read this thread for 2 solutions: http://www.v8buick.com/index.php?threads/1967-riviera-motor-mounts.305114/#post-2531706
I have a 68 Riv, rock auto is a good source, any mount you buy you will have to elongate the bolt hole in the mount , grind off some of the corners , clean up the weld on the frame. Unless you go the revulcanise route. Which I have never done.
I revulcanized my mounts and they came in yesterday , I’m looking for a extra set. Another question for you Hot Rod, do your car have motor torque straps? If so can you send a picture so I can see how you mounted it up
The Riviera mounts for 1967 have the lower edges cut off, very different from the traditional 455 cid mounts. The ones on my 67 were not original, and both of them were rotted out. Don't know how long I was driving around with totally busted motor mounts. I managed to locate a NOS pair on ebay, and they were not cheap. I took a picture in this thread: http://www.v8buick.com/index.php?threads/how-to-change-motor-mounts-without-a-hoist.300638/
I got the cheap ones from NAPA and they worked. I had to weld a nut on one side. They are not exact copies, but they worked.