THE FINAL ASSEMBLY by Mike Mavrigian Our intent with this build is to illustrate how you can take advantage of current LS (mechanical) technology, and still create a somewhat old school traditional appearance, grabbing in the range of 450 HP, all without breaking the bank. In terms of exterior finish, we intentionally “relaxed” [...]
Build, text and photos by Mike Mavrigian The Pontiac 455, bored/stroked to 501 CID, is finally completed. This article covers all remaining aspects of the assembly. Next is the dyno run, which I’ll cover in an upcoming article.
Build, text and photos by Mike Mavrigian Note: This engine, as well as all of our engine projects, is designed, test-fit and assembled by Mike Mavrigian’s Birchwood Automotive facility in Creston, OH. Now that the block, oil pan, valley cover plate and timing cover have been painted, we can begin final assembly. [...]
Before NASCAR announced that Sprint Cup cars would be using electronic fuel injection in 2012, some racing teams – Hendrick Motorsports and Penske Racing, for instance – had already turned to the world leader in electronic fuel injection technology, Bosch, to prepare fuel-injected V-8 engines as test beds. These engines, utilizing Bosch components, duplicated the [...]
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 [...]
NEW TOOL REVIEW – TESTING SNAP-ON’S ELECTRONIC TORQUE/ANGLE WRENCH MODEL TESTED: MODEL ATECH3FR25O Snap On’s Tech Angle wrench includes a protective plastic case. The new wrench is available in several versions (1/4, 3/8 and 1/2-inch drive, Nm & angle, and Nm/ft-lb/in-lb & angle). The unit I tested is model ATECH3FR250A, which features [...]
Snap-On’s new Tech Angle wrench includes a protective case and is available in several versions, including 1/4″-drive, 3/8″-drive and 1/2″-drive. The digital torque wrench is capable of operating in several modes, including ft-lb, in-lb, Nm and angle of rotation. The unit I tested is ATECH3FR250A, which features 1/2″-drive. TESTING SNAP-ON’S NEW ELECTRONIC TORQUE/ANGLE [...]
LSM’s new valve spring compressor tool is designed specificalyl for servicing both OE and aftermarket LS cylinder heads. Precision Acme lead screw and nut makes spring compressing easy. The tool mounts directly to LS7 style heads. A specially engineered adapter allows mounting to LS1, LS6, LS2 and LS3 heads that feature rocker rails. The tool [...]
Straight Talk About Oil Filters Information provided courtesy of Purolator Filters Let’s face it. While performance engines represent the most fun in our businesses, it’s the everyday engines we build that pay the rent for most of us. That’s just a fact of life. We can all put valve guides in small-block Chevy heads [...]
COMPACTED GRAPHITE ENGINE BLOCKS These blocks offer greater strength and stability, but be aware of the machining concerns. by Mike Mavrigian CGI engine blocks offer greater strength and superior stability with no weight penalty. In theory, a CGI block can be produced at near-aluminum-weight while maintaining needed strength. One benefit is that cylinder walls can [...]
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