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12513151 - 5.7l (L05) 1991-1993 Chevy Caprice (Exc. 9C1 Police Package), 1991-1993 Buick Roadmaster, 1991-1993 Cadillac Fleetwood Brougham

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

12513151
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Availability: Item has been discontinued and is no longer available
Shipping: FREE 48 State Shipping

Description

For 1992 - 1993 Caprice, Fleetwood Brougham, and 1992 - 1994 Roadmaster.

SPECS ON THIS ENGINE ARE AS FOLLOWS

1986 AND UP 2 BOLT MAIN 1 PIECE CRANKSHAFT SEAL BLOCK( NO MECHANICAL FUEL PUMP PROVISION)

NODULAR IRON CRANKSHAFT

POWDERED METAL CONNECTING RODS

FLAT TOP HYPEREUTECTIC PISTONS

9.6:1 COMPRESSION RATIO

HIGH VOLUME OIL PUMP

SHORT WINDAGE TRAY

SINGLE ROLLER TIMING CHAIN


CAMSHAFT SPECS AS FOLLOWS:

HYDRAULIC ROLLER CAMSHAFT

INTAKE LIFT-.359" * EXHAUST LIFT.384" *

INTAKE DURATION @.050-186.5 * EXHAUST DURATION @.050-193.8

LOBE CENTER SEPERATION -110.3

CAMSHAFT MECHANICAL SPECS:

INTAKE VALVE OPENS @ -16.9 BTDC * INTAKE VALVE CLOSES @ 23.4ATDC * INTAKE LOBE CENTERLINE - 110.3

EXHAUST VALVE OPENS @ 25.6BBDC * EXHAUST VALVE CLOSES @ -11.9 ATDC * EXHAUST LOBE CENTERLINE - 110.3


CYLINDER HEAD SPECS:

CASTING NUMBER 14102193

SWIRL PORT INTAKE PORT DESIGN

65.3cc COMBUSTION CHAMBER

1.94" INTAKE 1.50" EXHAUST VALVE

VALVE SPRING PART NUMBER IS 3911068 (SAME SPRING USED WITH THE OLD 300H.P 350 CRATE)

INSTALLED HEIGHT 1.70" PRESSURE @ INSTALLED HEIGHT IS 80 LBS * PRESSURE WITH VALVE OPEN IS 267 LBS.

THESE SPRINGS ARE GOOD FOR .550" LIFT BUT CLEARENCE BETWEEN GUIDE AND RETAINER MUST BE DOUBLE CHECKED BEFORE ATTEMPTING.

7 BOLT EXHAUST FLANGE

CENTERBOLT VALVE COVER FLANGE

1987-1995 INTAKE MANIFOLD BOLT PATTERN WITH CENTER INTAKE BOLTS CANTED @ 72 ANGLE

THIS CYLINDER HEAD IS NOT A PERFORMANCE ORIENTED CYLINDER HEAD. IT IS CLASSIFIED AS A HIGH SWIRL HEAD THAT WAS INTENDED FOR GOOD BOTTOM END TORQUE AND FUEL ECONOMY. THE INTAKE RUNNER IS RESTRICTIVE BECCAUSE IT HAS A RAMP CAST INTO THE BOTTOM OF THE BOWL TO PROMOTE HIGH SWIRL.


ALSO INCLUDED:

ENGINE INCLUDES 4 QUART OIL PAN (5W/ FILTER) ( PART # 3448834 PLUG IS NEEDED TO PLUG EXTRA HOLE IN PAN THAT WAS INTENDED FOR A LOW OIL LEVEL SENSOR)

TIMING COVER

6" BALANCER

VALVE COVERS


WE DO NOT RECCOMEND ATTEMPTING TO RUN THIS ENGINE IN A CARBURATED APPLICATION BECAUSE OF THE LACK OF A FUEL PUMP PROVISION, SPECIAL INTAKE MANIFOLD IS REQUIRED , AND SPECIAL TUNING IS NEEDED TO RUN THIS ENGINE WITH A CARBURATOR.

Application List

Universal

Details

  • 12513151
  • 12513151
  • GM (General Motors)
  • Item has been discontinued and is no longer available
  • New

Categories

Shipping Information

  • Item Requires Shipping
  • 450.0 lbs.
  • W25.7000” x H22.3000” x L28.8000”
  • FREE 48 State Shipping

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