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25 Hot EFI Crate Motors --Technical Article -- GM High Tech Performance

0604Htp 22 Golden Engine Service Crate Motor Z

Golen Engine Service specializes in LT1 crate motors and long-blocks and this 383 is one of their most popular. It'll run on 91 octane pump gas will pass emissions tests in all 50 states when all emissions controls are used and with a proper computer tune. Golen recommends the following to achieve the 440hp rating: 30 lb/hr FMS injectors; 52mm throttle body; long tube headers; adjustable fuel pressure regulator; and custom computer tuning from PCMforless.

COMPANY NAMEGolen Engine Service
BLOCKLT1, iron
DISPLACEMENT383 ci (6.3L)
COMPRESSION RATIO11.0:1
CRANKSHAFT3.75-inch, Eagle, cast steel
RODS6.00-inch, SCAT, 4340 forged
PISTONS4.030-inch, SRP, forged
RINGSSpeed Pro Plasma Moly
ROD BEARINGSClevite
MAIN BEARINGSClevite
CAM BEARINGSDurabond
BOLTSARP
HEADSLT1, ported
HEAD GASKETSFel-Pro
CAMCOMP Cams, hydraulic roller, .576/.570-inch lift, 230/236 duration at .050, 113 LSA
LIFTERSCOMP Cams
PUSHRODSCOMP Cams High Energy
ROCKER ARMSCOMP Cams, aluminum, full roller, 1.5-ratio
VALVESPRINGSCOMP Cams
INTAKE MANIFOLDNo
THROTTLE BODYNo
FUEL INJECTORSNo
MAFNo
WIRING HARNESSNo
PCMNo
CORE CHARGESNo
WARRANTY3 years
PRICE$5,599.00
OTHER PACKAGES396ci/520hp LT4 long-block $7,899.00

Gen I Small Block (L98/TPI/ETC.)

0604Htp 23 Coast High Performance Crate Motor Z

With over 16 years of experience in the industry, California-based Coast High Performance offers a wide variety of old-school small- and big-block Chevrolet engines. Small-blocks can be had up to 434 ci in size and big-blocks go all the way up to 496 ci. This 383ci engine, while pictured with a carburetor and intake manifold, does not include either and so it is ready for an EFI system to be slapped atop it, whether it be a TPI system or an aftermarket unit. Headers and distributor also not included.

COMPANY NAMECoast High Performance
BLOCKGM, remanufactured
DISPLACEMENT383 ci (6.3L)
COMPRESSION RATIO9.5:1
CRANKSHAFT3.75-inch, SCAT, cast/steel
RODS5.700-inch, SCAT, 5140 I-beam
PISTONS4.030-inch, Probe, forged
RINGSMoly
ROD BEARINGSClevite
MAIN BEARINGSClevite
CAM BEARINGSClevite
BOLTSARP
HEADSEdelbrock
HEAD GASKETSFel-Pro
CAMElgin, hydraulic flat tappet, "Pro Stock"
LIFTERSElgin
PUSHRODSManley, 4130
ROCKER ARMSProbe
VALVESPRINGSEdelbrock
INTAKE MANIFOLDNo
THROTTLE BODYNo
FUEL INJECTORSNo
MAFNo
WIRING HARNESSNo
PCMNo
CORE CHARGESNone
WARRANTY2 years/30,000 miles
PRICE$5,299.99
OTHER PACKAGESCHP offers a range of custom-built crate engines for Chevy big- and small-

0604Htp 24 Edelbrock Crate Motor Z

Edelbrock offers many a carb-equipped crate engine, and also a few with its own Pro-Flo EFI system. This is one of those elite few. With 440 hp and 425 lb-ft, it's sure to wake up your old-school ride. Edelbrock starts with a brand new GM 224 short-block and builds from there, adding its own heads, cam, and valvetrain. It's available both unpolished and polished (for a little over $300 extra).

COMPANY NAMEEdelbrock
BLOCKGM
DISPLACEMENT350 ci (5.7L)
COMPRESSION RATIO9.5:1
CRANKSHAFT3.480-inch, GM, steel
RODS5.700-inch, GM, powdered metal
PISTONS4.000-inch, GM, hypereutectic
RINGSGM
ROD BEARINGSGM
MAIN BEARINGSGM
CAM BEARINGSGM
BOLTSGM
HEADSEdelbrock E-Tec 170, PN 60979
HEAD GASKETSEdelbrock
CAMEdelbrock, hydraulic roller, .539/.548-inch lift, 234/238 duration at .050, 112 LSA
LIFTERSDelphi
PUSHRODSEdelbrock, hardened steel
ROCKER ARMSEdelbrock, 1.5-ratio
VALVESPRINGSEdelbrock
INTAKE MANIFOLDEdelbrock
THROTTLE BODYEdelbrock
FUEL INJECTORSMagneti Marelli, 29 lb/hr
MAFNot used
WIRING HARNESSEdelbrock
PCMMagneti Marelli
CORE CHARGESNone
WARRANTY2 years, unlimited mileage
PRICE$9,717.95 suggested list (unpolished)


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