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You'd think so. There were several parts to the post. I'm really hoping to hear from anyone that is mentioned on the poster. There was also the question about octane. Does 140 exist? I'd assume with alky he could run 91 but i'm hoping someone who knows the GNs better might see something looking...

Probably around 89 or 90. He won the lotto. Literally.

See Fresh out of storage since 92 or so

My brother just bought an 87 GN from our uncle Bill Barlow. I'm hoping some of the Buick folk that have been around for a while might know more than we do. According to our uncle the car needs 140 octane (I didn't know it went that high, does it?). My brother wants to be able to drive it on the...

Looking for more info from the "veteran" crowd on my brother's new to him GN.