Twin Street Demons and Lamar Walden’s New 409

Apr 24, 2013 | News | 0 comments

Written by Moore Good Ink 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 602lbs-ft torque at 4,600rpm. For some, the emergence of...

Lamar Walden unveils new serpentine belt systems for Chevrolet 409:

Apr 24, 2013 | News, Press Releases | 3 comments

Written by Moore Good Ink What is it that would persuade Lamar Walden to enter the serpentine drive business? He succeeded in building an image so favorable—the definitive authority on the Chevrolet 409—that his engine shop has been a dynamo of energy for over forty...

Rod stretch and rod bolt fatigue: Beerhorst talks boosted engines

Apr 22, 2013 | Connecting Rods, News, Tech How-To | 2 comments

Written by Moore Good Ink: When the crankshaft pulls the connecting rod downward on the induction stroke of a naturally aspirated engine, a stretching load is exerted on the con rod because the piston area is so much greater than the column of air being drawn into the...

Overcoming suffocation when dragster headers switched from Weed-burners to Zoomies

Apr 22, 2013 | News | 0 comments

By Sam Logan: During early July 2015, the Snake & Mongoose movie began airing on the Starz television channel. The film, first released in September 2013, recorded the events leading up to “Mongoose’s” famous victory over “Snake”...

Evil twins: first twin 625 Street Demon carbies on the first new 409 hotrod engine

Apr 12, 2013 | Carburetors, Tech How-To | 0 comments

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...