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New Rules For 2009

Jegs Engine Masters Challenge
Posted December 18 2008 01:28 PM by Johnny Hunkins 
Filed under: Events

Engine Masters editor, Steve Dulcich, announces the rules at the PRI show.

Big changes are in store for the 2009 Jegs Engine Masters Challenge.

The formula for the 2007 and 2008 Jegs Engine Masters Challenge was for traditional domestic V-8 engines over 300 cubic inches that had to run a stock bore and stroke with a single carburetor, flat-tappet mechanical cam, and an off-the-shelf intake manifold. The contest was scored over a 2,500 – 6,500 rpm range. For 2009, we‘ve decided to open things up considerably, and we think our new rules will double the excitement quotient.

Most significantly, we’ve made the decision to allow selected late-model domestic V-8s, including GM LS-series, Ford Modular 2- and 3-valve, and Chrysler Hemi. With that comes the legalization (for the first time ever) of electronic fuel injection, and coil-on-plug ignition systems.

Beyond that, we will be increasing the compression-ratio limit from 10.5:1 to 11.5:1, with the mandate that all engines run on 91 octane fuel. Another important change is that the rpm range for competition scoring has been elevated to 3,000 – 7,000, which should produce significantly higher power numbers. Finally, mechanical roller cams are being allowed once again.

To help level the playing field for more traditional competitors with older engines and carburetors, we’ve also decided to allow multiple carb set-ups on cast-style manifolds. (No custom-fabricated or sheetmetal intakes are allowed). The theme this year: Let it eat!

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