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Michael Waltrip Racing innovates, NASCAR style

by Zach Bowman (RSS feed) on Jul 1st, 2010 at 2:56PM

From most vantage points, the drivetrain in the NASCAR Car of Tomorrow seems to have its origins somewhere just after the discovery of fire. Under the hood is a pushrod V8 with 350 cubic inches of displacement, using the same architecture first outlined in the early 1950s. In its current form, ye olde mill is now delivering somewhere between 800 and 900 horsepower, and the small-block is still fed by the same Holley 4150 carburetor anyone can pick up from the local parts store. Behind the engine is a similarly crude four-speed manual transmission built to take repeated abuse. And little... Read More

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