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ADDED POWER, ZERO TRADEOFFS

THESE DURAMAX POWER RECIPES WON’T BANK— OR YOUR TRUCK

For nearly two decades, GM has stuck with the same basic engine platform that revolutionized the diesel truck segment back in 2001. Though it’s undergone many alterations and been given six different RPO codes over the years, in a lot of ways the same basic cast-iron block, aluminum headed, 6.6L common-rail V-8 remains. Not even the production run of the 5.9L Cummins lasted as long as the Duramax engine’s has (in pickup applications, anyway). For nearly 20 years, GM fans have been expanding the performance potential of the Duramax—and at this point the aftermarket practically has it down to a science.

For the budget-conscience (we think it’s fair to say that’s most of us), we’ve laid out paths to 450 hp for the LB7, LLY, LBZ, and LMM that call for just $1,500 to $1,700, the $19,000 that’s required to get an LML to the 700hp mark, and everything in between. Make no mistake, the horsepower recipes documented here aren’t just a hodge-podge bunch of parts thrown at a truck because they’re the most affordable. We’ve seen these proven power combinations put to work in the real world on countless occasions. On the dyno, at the track, and in the dirt, they all deliver as promised.

And, because reliability is more important than saving money, our budgets don’t end because of a certain dollar amount. Instead, they conclude before the stock rotating assembly is on what we consider to be the brink. After all, the last thing we want you to do is trash an engine. So dig in. It’s time to _ nd out which budget best suits you and your workhorse.

LB7 DURAMAX (’01-’04)

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About Diesel World

Diesel World August 2019, Diesel on The Rocks : Full Size Trucks, Built with the Purpose, Power Recipes : How to make power at a any Level, And More....