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Old 01-11-2007, 12:59 PM   #1
stllookn
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Join Date: Aug 2001
Location: Kent, WA
Posts: 6,465
'72 Rochester Help

I have reebuilt a few of these but have not seen one like this with the in-line fuel inlet and the funky vacuum port on top (maybe it just goes directly into the air cleaner). The number (7042272) indicates it is a '72 400-455 Pontiac carb. I can't find any info about the big vaccum port. I don't want to rebuild it if I can't use it. Anyone have some experience with this beast?
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'68 C20 Longhorn 50th Anniversary 400/TH400
'68 C20 Longhorn 50th Anniversary 468/TH400w/buckets
'72 C20 Halfhorn (Longhorn w/o cab and front clip)
'69 Flxible Cruiser (look up ugly in the dictionary)
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