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#16029 07/31/07 08:51 AM
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good day everybody

On a Chevy c30, 292 stock intake manifold what carburetor type I can install instead of the 1 bbl Rochester

#16030 08/01/07 02:41 AM
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you could get a carter weber progressive 2 barrel (65 bucks) with the adapter(15 bucks) from tom langdon/stovebolt. You should get better mileage and performance


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#16031 08/05/07 11:39 PM
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i thought those carter/webber 2 barrel carbs are smaller than the original rochester "b". i don't know how they work on the 292's, i'd love to hear.

#16032 08/06/07 04:22 AM
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I can't remember the exact info so it would be a good idea to do a search on this subject. I was looking at the same swap and I read on the board that alot of people liked the Clifford intake with a Holley 350 cfm 4 brl. People seemed to get better power and better mileage with the 4 brl. too. Someone also posted that they found the Holley/Weber ran rich at idle and lean opened up. I decided on the 4 brl., but have not had the time to do the install yet so I couldn't give you any specifics. Good luck.

#16033 09/13/07 04:37 AM
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Langdons 32/36 Weber function very good on a friends 218 .52 Dodge. Better power and better milage. Mounted straight out of the box, running real nice.
Other friend with 235 Chevy -54 found great changes in the milage,and topend power, but felt some loss in the middle. He thoughts of doing some changes in jets, and belive this is fixing the minor problem.
He gonna do some dynocheck to be sure.


"if your car needs more than 2 hubcaps, it ainīt COOL"
#16034 09/13/07 10:38 AM
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I have Langdon's H/W's on my 292. Actually, I have a Tri-power set up and they flow approx 250 CFM's. That's straight from Tom Langdon. I installed them in 2000 and have not adjusted, or touched them since. I get 18-20 MPG's too.

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#16035 09/13/07 12:38 PM
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How about a Rochester 2GC two barrel as used on many GM tri-power manifolds and 2V V8s. I use one on my Model A tub 302ci (with 2 dummy carbs to simulate tri-power and it works GREAT). I think I paid five bucks for it at a swap meet. A 1V-to-2V adaptor would put you in business. I would also think about opening up the opening of the stock intake when you make the swap. Good luck.


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