This installment in our LS 5.3L “retro build” covers installation of our hydraulic roller lifters, cylinder heads, pushrods and rocker arms, completing the valvetrain. . Build, text and photos by Mike Mavrigian . CYLINDER HEADS While there’s nothing to complain about with the original casting number 862 aluminum heads (GM P/N 12559862), making them flow [...]
Mast Motorsports is proud to announce the launch of their all new tunnel ram for GM Gen IV LS-series engines engineered especially for use with a Mast designed Mozez head. The ever-increasing engine sizes and higher-flowing heads have prompted the development of intake manifolds capable of feeding 450-plus cubes to over 7,000 rpm, and [...]
WE COMPLETE THE SHORT BLOCK Build, text and photos by Mike Mavrigian In this build installment, I’ll cover camshaft, timing, oil pump, windage tray, oil pickup, front and rear engine covers, oil pan installation and more. Due to the length of this article, I’ll save cylinder head details and installation in the next part of this build [...]
Speedway Motors has developed a very cool option for chanelling exhaust gases out of an LS street rod engine: stainless steel Tru-Ram® LS1 Exhaust Manifolds. Made of high grade stainless steel, Tru-Ram® LS1 Exhaust Manifolds combine the reduced noise level and low maintenance of a cast manifold with the excellent flow characteristics and dramatic performance [...]
UPGRADING THE ROCKER ARM TRUNIONS INSURING OEM ROCKER ARM DURABILITY FOR PERFORMANCE USE Text & photos by Mike Mavrigian If you’re gonna pound on an LS engine that features OE rocker arms, you need to perform this simple aftermarket trunion/bearing upgrade! . In the process of building any LS engine, if [...]
Russell Performance, a division of Edelbrock, LLC offers consumers complete EFI fuel hose kits for Chevy LS and the Chrysler 5.7L Hemi engines.
WE BUILD AN LS ENGINE ON A BUDGET AND TRANSFORM THE MODERN ENGINE INTO A RETRO MOTOR THAT HARKS BACK TO THE GOOD OLD DAYS IN THE PROCESS. BASICALLY, WE’RE BUILDING A CARBURETED 327 CID LS ENGINE, WITH CUSTOM TOUCHES THAT REMIND US OF AN EARLY 1960′S SMALLBLOCK CHEVY We started with an [...]
Edelbrock Victor Pro Series water pumps are an all new design ideal for small-block and LS-series Chevrolet circle track racing applications. They are a two-piece cartridge style design and feature improved symmetrical flow paths that increase coolant flow and reduces parasitic power loss. The pump housing has large inlet and perfectly symmetrical outlet port [...]
Holley has announced their all-new, whiz-bang LS engine components catalog, chock-full of newly-released go-fast goodies for GM LS engines.
For 2011, I’ve decided to produce two new engine projects, each of which will provide handy and informative tips for our readers. Naturally, each build will be presented in our normal manner…as a multi-part series of technical articles. The new projects for this year include a Pontiac 455 and a “Budget LS” build.
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