Bad News

[frustratedpilot]

1) We can't fit a Pontiac engine into our Buick because the makes have different motor mount schemes. So either we try to find out if we can use a Chevy or Oldsmobile engine, or we have the prospect of another Buick engine that may only be slightly better than the one being replaced

Comments

[_eljefe_]

The block should be the same for the 3100, you may be able to take the motor mounts off your dead engine, and put them on the new one (you will be doing this with the AC and power steering pump anyways, if he is keeping those systems integrity). You could in theory also use the 3800, but despite being more powerful and DOHC, most mechanics don't care for it. FYI, a 98 Chevy Lumina also came with the 3100 V6, I have one in my driveway

[frustratedpilot]

The problem is that the Pontiac engines (at least, perhaps others too) don't have the mounting holes in the engine block to accept the Buick mounts. Dad and I are going off to look at a Lumina in a little while.