Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Chrysler to begin building the next Jeep Grand Cherokee in May

Chrysler Group will begin building the 2011 Jeep Grand Cherokee--the first salvo in an effort to restore a product-starved lineup--on May 3, CEO Sergio Marchionne said Tuesday. Marchionne told an industry conference in New York that sales of the redesigned Grand Cherokee will begin in July. Chrysler plans to have 100 percent of its existing lineup refreshed or replaced by the end of 2012, as a wave of new products derived from the alliance with Fiat S.p.A.

Celebrating Mitsubishi...mostly the Evo

Is Mitsubishi going to come back better than ever or has it overevved its corporate four-banger and sent a rod through its corporate head? Depends how you look at it. If you made your judgment solely by spending last Saturday at the Mitsubishi Owner's Day at company headquarters in Southern California, you'd think this carmaker was the greatest thing since overhead valves and forced induction.

rusEFI: Open-source homebuilt fuel-injection set to rival Megasquirt

Electronic fuel-delivery and ignition controls have given us a new golden age of engine efficiency and performance. Most of us would never go back to the dark ages—say, before 1990—when you could still buy new vehicles with carburetors and clunky distributors. From the point of view of those of us who like to modify our cars, however, the black-box nature of engine-control computers limits our options for making changes to how our fuel-delivery and ignition systems function.