Special Projects

KDS built 382ci LT1 with KDS Designed ATI Procharger drive.

This 382 ci (4.020″ x 3.75″) LT1 is built for boost.

  • 1994 GM LT1 block,
    • degreased, baked and shot blasted
    • Pro-Gram splayed 4-bolt main caps
    • ARP Main studs
    • Head decks resurfaced
    • Eagle Forged 3.75″ crank, cut 0.010/0.010″ and nitrided
    • Eagle H-beam rods
    • Custom Diamond Forged pistons
    • Ported Iron LT1 heads
    • Comp 224/236 Cam
    • ARP Main, Rod, and head bolts
    • Blended oil passages, fitting crank scraper and Moroso oil control kit.
    • Melling 10554 Oil pump
    • Port-matched LT1 intake manifold, fitting for 52mm AS&M Throttle Body
  • IMG00228-20100408-1621 IMG00229-20100408-1625 IMG00227-20100408-1620  IMG00063-20100925-1419IMG00009-20100912-2003.jpg IMG00069-20100925-2010IMG00065-20100925-1951

lt1race car


Motor Builds

6.0L in a 1979 Caprice

This engine is a pretty basic LS  engine build that showcases how factory parts upgrades  and aftermarket parts blend to make a simple, but respectable-performing engine out of an HD truck engine.

Key features –

  • 2003 6.0L LQ4 Iron block with ~90,000 miles on the engine.
  • Original 6.0L crank and main bearings
  • 2005 LS2 rod/piston assemblies
  • Stock oil pump
  • 1998-2002 LS1 Camaro/Firebird oilpan and pickup tube
  • 1999-2007 GM Truck Accessory Drive
  • CNC ported LS2 head castings, with stock valves and Comp 918 Springs
  • Comp XR275HR Cam – 222/224@0.050″, 0.566″/0.568″, 112
  • Edelbrock/MSD single plane intake, MSD 6010 Ignition Controller
  • 2003-2009 GM V8 Trailblazer Exhaust Manifolds
  • Best run at 4060#, 11.76@115.8 mph



  • Crank ground 0.010″ under on main and rod journals

6.0L build for a 2003 Avalanche

This engine started as a good, but grungy LQ4, and is basic refresh engine.

  • Hot tanked block, new cam bearings
  • Crank ground 0.010″ under on main and rod journals
  • Fresh rings, bearings, lifters, oil pump and gaskets
  • 2004+ GM LS6 405 HP camshaft
  • GM ‘Yellow” valvesprings
  • Low mileage 317 heads cleaned and installed.