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25 Hot EFI Crate Motors- The List

Gen III/IV Small-Block (LS1/LS6/LS2/LS7)
By Chris Werner
Photography by Courtesy of the manufacturers
25 Hot Efi Crate Motors Engine

COMPANY NAME Auto Worx Performance Specialties
BLOCK LS2, aluminum, re-sleeved
DISPLACEMENT 427 ci (7.0L)
COMPRESSION RATIO 11.0:1
CRANKSHAFT 4.00 inch, Callies, forged
RODS 6.125 inch, Callies CompStar
PISTONS 4.125 inch, Ross, forged
RINGS Total Seal
ROD BEARINGS Clevite
MAIN BEARINGS Clevite
CAM BEARINGS Durabond
BOLTS ARP
HEADS Stage 3 CNC-ported
HEAD GASKETS Cometic
CAM COMP Cams, hydraulic roller, .610/.580-inch lift,
  242/254 duration at .050, 114 LSA
LIFTERS Isky, anti-pump-up
PUSHRODS COMP Cams, moly
ROCKER ARMS GM
VALVESPRINGS Dual with titanium retainers
INTAKE MANIFOLD No
THROTTLE BODY No
FUEL INJECTORS No
MAF No
WIRING HARNESS No
PCM No
CORE CHARGES None
WARRANTY 2 year/24,000-mile limited warranty
PRICE $12,899.95
OTHER PACKAGES Optional intake manifold, throttle body, and fuel
injectors. Cylinder head upgrades include All Pro,
AFR, and Dart.

COMPANY NAME DragonFire Racing
BLOCK LS2, aluminum
DISPLACEMENT 402 ci (6.6L)
COMPRESSION RATIO 10.9:1
CRANKSHAFT 4.00-inch, Eagle, forged
RODS 6.125-inch, SCAT, H-beam
PISTONS 4.005-inch, Diamond, forged
RINGS Diamond
ROD BEARINGS Clevite
MAIN BEARINGS Clevite
CAM BEARINGS Durabond
BOLTS ARP
HEADS LS6, CNC-ported
HEAD GASKETS Cometic
CAM Grand Am Cup, hydraulic roller, specs secret
LIFTERS COMP Cams
PUSHRODS Manley
ROCKER ARMS Harland Sharp
VALVESPRINGS GM Performance Parts
INTAKE MANIFOLD GM, 6.0L truck
THROTTLE BODY 90mm billet
FUEL INJECTORS Bosch
MAF Not used (speed density)
WIRING HARNESS DragonFire Racing
PCM Delphi 4B
CORE CHARGES None
WARRANTY Manufacturing defects only
PRICE $16,999.00
OTHER PACKAGES Several other LS2 and LS7 packages are available.

COMPANY NAME Futral Motorsports
BLOCK LS2, aluminum
DISPLACEMENT 402 ci (6.6L)
COMPRESSION RATIO 10.5:1
CRANKSHAFT 4.00-inch, Callies Racemaster, 4340 forged
RODS 6.125-inch, Manley Sportsman, 4340 forged
PISTONS 4.001-inch, Diamond, forged
RINGS Mahle
ROD BEARINGS Federal Mogul
MAIN BEARINGS Federal Mogul
CAM BEARINGS Durabond
BOLTS ARP
HEADS Dart, 225cc
HEAD GASKETS GM
CAM FMS, hydraulic roller, .632/.630-inch lift, 246/250
  duration at .050, 112 LSA
LIFTERS Melling
PUSHRODS FMS
ROCKER ARMS GM, 1.7-ratio
VALVESPRINGS Manley Nextek
INTAKE MANIFOLD No
THROTTLE BODY No
FUEL INJECTORS No
MAF No
WIRING HARNESS No
PCM No
CORE CHARGES None
WARRANTY 90 day base warranty
PRICE $8,849.00
OTHER PACKAGES 11.9:1 compression ratio available, upgrade to Morel lifters, upgrade to Stage 2 porting, upgrade to 427ci resleeved block. Warranty is 6 months/6,000 miles if installed and tuned by FMS.

COMPANY NAME GM Performance Parts
BLOCK LS7, aluminum
DISPLACEMENT 427 ci (7.0L)
COMPRESSION RATIO 11.0:1
CRANKSHAFT 4.00-inch, GM, forged
RODS 6.098-inch, GM, Titanium I-beam
PISTONS 4.125-inch, GM, cast aluminum
RINGS GM
ROD BEARINGS GM
MAIN BEARINGS GM
CAM BEARINGS GM
BOLTS GM
HEADS GM, LS7
HEAD GASKETS GM
CAM GM, hydraulic roller, .593/.588-inch lift,
  211/230 duration at .050
LIFTERS GM
PUSHRODS GM
ROCKER ARMS GM, 1.8 ratio
VALVESPRINGS GM
INTAKE MANIFOLD GM, LS7
THROTTLE BODY 90mm, electronic
FUEL INJECTORS Bosch, 40 lb/hr
MAF No
WIRING HARNESS No
PCM No
CORE CHARGES None
WARRANTY 12 months, parts only
PRICE $13,895.00
OTHER PACKAGES This package includes coil packs, plug wires, balancer, water pump, clutch, and exhaust manifolds. Many other GMPP EFI crate motors, including big- and small-block varieties of all kinds, are available from GMPP dealers such as Scoggin-Dickey Parts Center.

COMPANY NAME Horsepower Engineering
BLOCK GM, iron
DISPLACEMENT 408 ci (6.7L)
COMPRESSION RATIO 11.0:1
CRANKSHAFT 4.00-inch, Eagle, forged
RODS 6.125-inch, Callies Compstar, H-beam
PISTONS 4.030-inch, Wiseco, forged
RINGS Moly
ROD BEARINGS Not specified
MAIN BEARINGS Not specified
CAM BEARINGS Not specified
BOLTS ARP
HEADS HPE/ETP Stage 3 5.3 Cylinder Heads
HEAD GASKETS Not specified
CAM HPE "Big E," hydraulic roller, .613/.619 lift, 244/248
duration at .050
LIFTERS COMP Cams
PUSHRODS Hardened chromemoly
ROCKER ARMS Yella Terra, 1.7 ratio
VALVESPRINGS Patriot Gold
INTAKE MANIFOLD No
THROTTLE BODY No
FUEL INJECTORS No
MAF No
WIRING HARNESS No
PCM No, but will tune customer-supplied
CORE CHARGES None
WARRANTY 1 year/12,000 miles
PRICE $8,300.00
OTHER PACKAGES Other head options, other cubic inch
options available.


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