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Greg Reimer 7376 · 02-11-2017, 09:45 PM

Look out for an OEM carb, then measure the ventures. Some of these are the 1.375" venturi, and the alternate carbs shown on the blueprint specs on your Tech Bulletin specify the smaller venturi,even though the car originally came with the larger one. Some replacement parts differed from the OEM.

02-11-2017, 09:45 PM	#2
Greg Reimer 7376 VIP Member Join Date: Nov 2008 Location: Glendora,Calif. Posts: 1,135 Likes: 172 Liked 704 Times in 218 Posts	Re: Rochester 2gc - Chevy 400 Look out for an OEM carb, then measure the ventures. Some of these are the 1.375" venturi, and the alternate carbs shown on the blueprint specs on your Tech Bulletin specify the smaller venturi,even though the car originally came with the larger one. Some replacement parts differed from the OEM.