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| | | | Joined: Apr 2007 Posts: 3 New Guy | | New Guy Joined: Apr 2007 Posts: 3 | working on a 48 chevy that came to me with an offenhauser with dual one barrels.i'm hoping to find a linkage diagram to help sep up the choke's. any help is appreciated, thanks.
william quigley
| | | | | Joined: Mar 2000 Posts: 784 'Bolter | | 'Bolter Joined: Mar 2000 Posts: 784 | You really only to choke one carb. I just ran the choke cable from the dash to the rear carb. I know I don't live where it gets real cold but I've never heard of anyone needing to choke both carbs.
George
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
Using a choke on a single carb (original Rochesters), as described by George, worked fine for me. Take out the choke plate from the carb not being choked.
Tim
| | | | | Joined: Nov 2002 Posts: 2,766 Carburetion specialist | | Carburetion specialist Joined: Nov 2002 Posts: 2,766 | To each his own way of thinking.
Don't have a 6 at present; but have chokes on both carbs on my V-8. Works great, and will start (and run) in any temperature from -20 to 110. It is my shop truck, and sees winter driving.
Jon.
Good carburetion is fuelish hot airThe most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes!The Carburetor Shop | | | | | Joined: Jun 2008 Posts: 1,388 Shop Shark | | Shop Shark Joined: Jun 2008 Posts: 1,388 | I have the choke on one carb. I am not happy with it. It doesn't seem to work as well as when I manually set both. As such, I have been too lazy and too busy to make them both operate. It does get cold up here. | | | | | Joined: Oct 2008 Posts: 121 Shop Shark | | Shop Shark Joined: Oct 2008 Posts: 121 | I am using one choke on my dual Carter W1 carbs, the rear one and it seems to work well.
1955 Chevy 3100
| | | | | Joined: Apr 2007 Posts: 3 New Guy | | New Guy Joined: Apr 2007 Posts: 3 | thank you all, as it turns out there is a clamp mounted on the side of the rear carb for the choke cable, it was an easy hook up and cold starting has greatly improved. can you tell me what is the advantage of now removing the choke flap from the front carb?
thanks again,
quigs
william quigley
| | | | | Joined: Oct 2008 Posts: 121 Shop Shark | | Shop Shark Joined: Oct 2008 Posts: 121 | Om mine, I just locked the choke open.
1955 Chevy 3100
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
Locking the unused choke flap open works fine. Removing the flap works fine (and there is never a concern that the flap might accidentally close even a little bit).
Tim
| | | | | Joined: Nov 2002 Posts: 2,766 Carburetion specialist | | Carburetion specialist Joined: Nov 2002 Posts: 2,766 | thank you all, as it turns out there is a clamp mounted on the side of the rear carb for the choke cable, it was an easy hook up and cold starting has greatly improved. can you tell me what is the advantage of now removing the choke flap from the front carb?
thanks again,
quigs There is NO advantage to doing this; in fact, it is detrimental on a street engine. The choke plate acts as a straightening vane to straighten the eddy currents in the air which enter the carburetor. Jon.
Good carburetion is fuelish hot airThe most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes!The Carburetor Shop | | | | | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | Yes, and in addition you want both carbs to be as identical as possible so they both feed the same amount of fuel at any vacuum/throttle position. Removing the choke plate changes that.
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