


Arch rule of carburetor tuning: Ignition first
By Sam Logan. Photographs by Moore Good Ink: Download text and hi-res images here. The cardinal rule of carburetor tuning is Ignition First. Once the static ignition setting and the ignition advancing mechanism in the distributor is correct, the air-fuel mixture can...
Demon carburetor tuning
Demon wants to tell you how to tune carburetors—in minutes!

Evil twins: first twin 625 Street Demon carbies on the first new 409 hotrod engine
Text by Sam Logan. Photography by Moore Good Ink. Download text and Hi-res images. In the dyno room, Lamar Walden’s first production road-going 409 fitted with twin 625 Street Demon carburetors revved with enthusiasm to 6,293rpm and generated 602.4 peak horsepower and...
Installing a new Street Demon
By Sam Logan. Photos by Moore Good Ink. Download text and hi-res images 1 of 2. Download text and hi-res images 2 of 2. Before the new Street Demons were first released to the public on Friday, May 25, 2012, the carburetor company dispatched twenty to thirty...
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