Thread: carb replacment
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12-02-2005 12:00 PM #6
CHR Member
- Join Date
- Aug 2004
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- Austin
- Car Year, Make, Model: 32 Roadster, BBC
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A double pumper carb responds according to the whims of the driver. For a heavy vehicle at low speeds and low stall converter, when you bury the throttle the engine could be over-whelmed by fueld resulting in a low end bog or stumble.
A vacuum secondary carb responds to the need of the engine regardless of position of the primary throttle. It can be adjusted to come on quickly or slowly depending on what vacuum springs you use.
Here is a photo of my Barry Grant 870 Speed Demon with electric choke on a ZZ502 engine. A 750 cfm version of this would probably be a great carb for your 460.
KitzJon Kitzmiller, MSME, PhD EE, 32 Ford Hiboy Roadster, Cornhusker frame, Heidts IFS/IRS, 3.50 Posi, Lone Star body, Lone Star/Kitz internal frame, ZZ502/550, TH400
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Dammit, another good ol boy gone. Condolence to the family. RIP Mike
RIP Mike Frade, aka 34_40