VIEWS: 5 PAGES: 2 CATEGORY: Engineering & Energy POSTED ON: 6/22/2010
Breather Tank This 1.7-quart breather tank from Quarter-Max Chassis & Racing Components can be used as an overflow tank for dry sump oil systems and vacuum pumps.
NEW PRODUCTS Street/Strip Dual Valvespring 409 Aluminum Replacement Block This street/strip dual valvespring from Comp Cams reduces stress and World Products’ new aluminum replacement engine block for the increases harmonic frequency for improved power potential, particularly Chevy 409 weighs 140 pounds less than the original and, with the in GM LS1 applications. This spring is engineered for street/strip collaboration of longtime 409 tuning wizard Lamar Walden, has hydraulic roller and some solid roller LS1 camshafts and features a 1.320- resurrected the popular big-block. The block deck is machined at 64 inch outside diameter and a .660-inch maximum lift. It has a seat load of degrees to the cylinder center line, unlike the 90-degree convention 141 at about 1.810 inches, an open load of 405 at around 1.150 inches, of most engines, and the distinctive 409 water pump is retained, as and a spring rate of 400 pounds per inch. This lightweight high-lift dual are most of the engine’s external surface areas. Inside, however, the spring is also polish finished to help with the reduction of stress in the new cast aluminum block embraces modern technology. The valvetrain. In addition, the small diameter of these springs increases cylinder bores have been increased from 4.3125 inches to 4.5 harmonic frequency, enabling much better valvetrain control at higher inches, allowing the engine to breathe better and to rev faster and rpm. With a host of other specialized features, these higher than its venerable predecessor. To accommodate longer springs were created for unmatched performance and stroke lengths, the position of the camshaft is raised by .250-inch. durability in performance street/strip LS1 engines. GM’s original 409 engine featured a 3.5-inch stroke that could be Although engineered with GM LS1 engines in mind
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