What's going on on the back corners? Hard to tell in pics, but both sides look jacked.
Take a magnet to check for thick areas of filler, and check for rust in all of the doors and along the lower areas of the body.
Other than that, well, I have a soft spot for all suburbans.
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I'm a little

and a lot
Ground beef: A cow with no legs.
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'66 Chevy SWB "Penny"
'67 Chevy Big Window SWB- aka
"Pearl"
'72 Burb- "Betty"
"It's not a hearse dammit"
'99 Chevy Ext. cab Silverado