This Old Dodge

In today's economy, is it worth it to refresh and rejuvenate a worn-down 12-valve?

April 2009 Feature

 

Turbo And Intake

 

So now that we've got the fueling side of things wrapped up, it's time to look at providing the engine with more air. While the factory HX-35 charger is a stout unit that is more than capable on a stock 200 hp truck, at say 400 hp, you'd really be pushing it hard and egts could be through the roof. Again with the help of DDP, the company set us up with its new 62 mm single charger, a direct bolt-on replacement that will supply more than enough air to support upwards of 525 hp. The charger is supplied with the needed down pipe and fit and finish on both pieces couldn't be better.

 

It'll be tough to get past 400-450 hp with our current injection pump setup. So this new charger will flow more than enough air, for now at least. We also installed an AEM Brute Force intake system on the truck to replace the restrictive factory air box. The better flowing paper element filter and direct ducting supplied with the Brute Force not only looks better than stock, it filters better as well. We soon found out after a few hard, full-throttle runs that the new DDP single charger was still almost too much for the AEM intake. The factory filter minder was sucked down around 50 percent after a few hard runs on the dyno. Turns out even a Hoover can't hold a candle to the amount of suction this charger can apply on a high performance intake system.

 

For now, this DDP 62/71 turbocharger has been developed to provide awesome spool-up and enough air to keep our new and improved 12V running cool. The 62/71 mm should work perfectly for towing applications, while still providing enough umph for you performance-oriented guys.

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