(Updated 12/7/17) [Editor’s Note: This LS3 engine upgrade guide is the second in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing. The LS3 engine is a Gen IV, 6.2L aluminum-block V8 car engine that first appeared in the 2008 Chevrolet Corvette. The L99—introduced for the 2010 Chevy
After three years of product development, Edelbrock unveiled its new Cross-Ram Intake Manifold for GM LS3 engines at the 2015 SEMA show in Las Vegas, NV. It’s a dual-plenum design optimized for forced-induction applications which features 13-inch-long, cross-ram-style intake runners. The lengthy runners help boost power and torque in the 6.2L, 376-cubic-inch, 430-horsepower LS3 engine.
[portfolio_slideshow id=40863] Let’s jump right in and see what’s happening in this episode of our Miata makeover: We welded thick reinforcement braces in the engine bay. These braces are designed to add strength and support back to the firewall area we modified to fit our LS3. We mounted a 3.42-geared Getrag Cadillac CTS-V differential in
In part one of Project Thunderbolt, we laid out the plans to stuff a GM LS3 V8 in to a 2004 Mazdaspeed Miata. In this update we’re finishing the teardown of our 2004 Mazdaspeed Miata’s chassis. We’ll do the same to our stock Miata four-cylinder drivetrain by breaking it down into smaller, more manageable pieces.
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