- CATEYE CHEVY DURAMAX STOCK UPGRADE
- CATEYE CHEVY DURAMAX STOCK FULL
- CATEYE CHEVY DURAMAX STOCK SERIES
The Chevrolet Silverado 2500HD/3500HD was only sold for two years with the rounded nose before receiving a facelift for the 2003 model year. The Dually option was also exclusive to the 3500HD. 3500HD models were limited to Long Bed models only (Regular, Extended, or Crew Cab). 2500HD models were available in Regular Cab Long Bed, Extended Cab Long Bed, Extended Cab Short Bed, Crew Cab Long Bed, or Crew Cab Short Bed.
CATEYE CHEVY DURAMAX STOCK UPGRADE
In addition, fender flares were installed to help upgrade the appearance on the sides. The Silverado 2500HD/3500HD incorporated a taller grille and domed hood for a more menacing look. A total of four front sections, seven midsections, and four rear sections were designed and supported nearly 40 truck configurations. The front section was hydroformed, while the middle and rear sections were roll-formed or stamped, depending on the application. Also new was a three-section frame system that could be mixed and matched depending on the cab and bed type. Out back the 2500HD and 3500HD both featured a heavy-duty AAM 11.5″ rear axle.
The slight trade-off in ruggedness was a smoother, more car-like ride. The GMT800 HD featured a leaf spring suspension in the rear with a torsion bar independent suspension upfront. Its predecessor, the Heavy-Duty GMT400, was sold alongside the new body style GMT800 Silverado/Sierra 1500 for the 1999-2000 model years. The GMT800 HD platform was not released until 2001, coinciding with the introduction of the LB7.
CATEYE CHEVY DURAMAX STOCK SERIES
Prior to 1999, the Silverado was simply a trim level on the C/K series of trucks. The 1999-2006 body style (GMT800) is considered a First-Generation Silverado or Second-Generation Sierra. The LB7 Duramax was offered in the 2001-2004 Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/300HD twins, as well as the medium-duty Chevrolet Kodiak and GMC TopKick. The Allison automatic was the much more popular choice among buyers. Besides the Allison 5-speed automatic transmission, buyers could also select a ZF 6-speed manual. The real star of the show to many people was the introduction of the Allison 1000, arguably the first automatic transmission in its class worthy of being mated to a diesel.
CATEYE CHEVY DURAMAX STOCK FULL
Ford introduced aluminum cylinder heads a full decade later with the debut of the 6.7L Powerstroke in 2011. Aluminum cylinder heads were another polarizing new feature as the lightweight alloy was typically not found on top of a diesel engine. One of the biggest highlights was the use of common rail technology developed by Bosch, preceding Dodge by two years and Ford by seven years.
The LB7 Duramax was considered revolutionary at the time and utilized a turbocharger, intercooler, and direct-injection. The LB7 put out a segment-best 300 hp and 520 lb-ft of torque. The resulting engine was a state-of-the-art 6.6L V8 with four-valves-per-cylinder. A little over 3 years after the initial concept, the LB7 Duramax diesel went into production. The all-new Duramax (RPO ‘LB7’) was far superior to the outdated Detroit Diesel engine and featured some state-of-the-art technology.ĭesign of the Duramax diesel began in 1997 when General Motors and Isuzu Motors paired up to create DMAX Ltd. The Duramax diesel was introduced for the 2001 model year, replacing the Detroit Diesel 6.5L. Twelve years after Dodge altered the heavy-duty truck landscape, GM introduced a diesel engine that would finally help establish them as a legitimate competitor in the diesel marketplace. Posted on Jby Jeremy_XDP 0 LB7 History/General Info Buyers Guide, Duramax 2001-2004 GM 6.6L LB7 Duramax Buyer’s Guide
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