There are a few with Webers here. If you have any stringent smog testing, they are considered to be not likely to pass.

I'd be rather inclined to go back to the first shop and tell them no thanks to their face.

Big Truck: 00, 3.5, Endeavor, 5-Spd drive line in hand!
Little Truck: 87, 2.6T I/C, MT, LSDs, Tonneau Top
Her Truck: 03, 3.8, 20th Anniv, 65k
Daughter's: 06 Eclipse, Keeping it Mitsu!
FSMs: MitsubishiLinks.com