With this configuration, Casstevens was able to put down an impressive 950 horsepower and 1,765 lb-ft of torque in his street-driving Duramax. And with some even more aggressive tunes loaded now, he plans to break that coveted 1,000-horsepower mark …

12 hours ago · Also Read: 12 Pickup Trucks That Have the Best Long-Term Resale Value 3. 2006-2007 Chevrolet Silverado/GMC Sierra (6.6-Liter Duramax LBZ) Among GM diesel enthusiasts, the 2006-2007 Chevrolet Silverado and GMC Sierra models equipped with the Duramax LBZ engine are the most sought-after, primarily due to their easily tunable ECMs.

Mar 21, 2023 · The LBZ is significant because it was the first Duramax engine to be paired with the six-speed Allison 1000 automatic transmission. The new six-speed was capable of handling more power than the previous five-speed transmission.

Jul 29, 2015 · 2004 LB7 CCSB Pro-Fab intake horn, full CAI, Danville 2.5 WS charger, tie rod sleeves, complete moog front end, LML drivers side, Air Dog II 165 and a 4" MBRP exhaust and downpipe! Built revmax tranny by K&K performance, dsp5 with my tuning! When we pulled it apart it looked like it had spun about 1" on it.

Sep 27, 2023 · What started as a mild transmission upgrade eventually led to this rowdy 1,100-horsepower truck that originally had bone stock internals. The factory 6.6L LBZ Duramax Diesel engine has been intensely modified to handle nearly 1,750 pounds of torque.

Dec 27, 2013 · it wasn't a street truck, it was a drag racer. i think his fastest rime was a 9.89 quarter i believe. it did 980hp before the tires smoked on the dyno.

Apr 17, 2012 · I've been told by many that to make 800-850rwhp that head porting and new cam isn't necessary...basically just have a good built bottom end. I'll be going with cut & coated pistons, all ARP fasteners, & carrillo rods, 60% over injectors, PPE twin cp3, banks intercooler. (tranny is built) 1) Ported heads/Cam...is it necessary?

LBZ is considered the “best” and is when the 6 speed was introduced. LMM is an LBZ with different injectors and more emission devices. LML introduced the CP4 and it’s issues and DEF. All have very good track records and plenty of million mile trucks on the roads. Is the added emissions on the LMM something to worry about?

Mar 21, 2018 · Most aftermarket VGTs for the Duramax fit all ’04.5-’10 GM trucks (LLY, LBZ and LMM, respectively) and come with a highly-engineered billet or forged milled wheel compressor wheel, 360 thrust bearings and a high-flow turbine wheel.

Sep 1, 2011 · Our goal is to show you how to build the ultimate street-driven Duramax without having to tear into the long-block. LBZ Test Mule. Model: Sierra 2500HD. Wheels: 20x10 BMF Novakane. Air Intake:...