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VCCA Home Forums TECHNICAL - GENERAL Mechanical - Engine, Trans, etc Replace the Rochester BC with a 2 barrel

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Replace the Rochester BC with a 2 barrel #483373 07/12/23 10:50 AM
Joined: Nov 2022 Posts: 51 Likes: 2 Hudson Bb54chevy OP Shade Tree Mechanic
OP Bb54chevy Shade Tree Mechanic Joined: Nov 2022 Posts: 51 Likes: 2 Hudson	I’m curious, is there a way to change from a single barrel to a 2 barrel carburetor? Is there an adapter or does the intake manifold need to be changed?

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Re: Replace the Rochester BC with a 2 barrel Bb54chevy #483389 07/12/23 07:09 PM
Joined: Jan 2002 Posts: 1,069 Likes: 9 Napa CA Keith Knox ChatMaster - 1,000
Keith Knox ChatMaster - 1,000 Joined: Jan 2002 Posts: 1,069 Likes: 9 Napa CA	Don't know if this is correct for your application, but they are out there. https://www.walmart.com/ip/2-Barrel-Carb-To-1-Barrel-Manifold-Adapter/974557322 1946 Chevy 3100 1/2 Ton Pickup Purchased 11/18/17 Sold 9/20 1948 Chevy Fleetmaster Coupe, Purchased 6/20/2010 1965 Chevy ll 350 Purchased Feb 2021. 3-speed Saginaw Hurst Floor Shifter 3.08 Rear End 2019 Ford Ranger Lariat Super Crew

Re: Replace the Rochester BC with a 2 barrel Bb54chevy #483438 07/14/23 01:48 PM
Joined: Feb 2004 Posts: 424 Likes: 6 Eldon, Missouri carbking Backyard Mechanic
carbking Backyard Mechanic Joined: Feb 2004 Posts: 424 Likes: 6 Eldon, Missouri	There are 2->1 adapters available. They work about as well as attempting to merge 2 lanes of heavy traffic into 1 lane at 70 MPH. Depending on your desires, there are larger (performance), and smaller (city driveability) single barrel carbs available, most of which ar more reliable than the Rochester B. Jon Good carburetion is fuelish hot air Owner, The Carburetor Shop (in Missouri)

Re: Replace the Rochester BC with a 2 barrel Bb54chevy #483457 07/15/23 09:06 AM
Joined: Nov 2022 Posts: 51 Likes: 2 Hudson Bb54chevy OP Shade Tree Mechanic
OP Bb54chevy Shade Tree Mechanic Joined: Nov 2022 Posts: 51 Likes: 2 Hudson	Thanks Jon. Do you have any recommendations for replacements for the Rochester BC? City and performance? Where to purchase? Bruce

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