5.7L V8, (VINS L & 6)

1987 Chevrolet Monte Carlo LS, 4.3 ZSECTION 5.7L V8, (VINS L & 6)
ROCHESTER E4ME CARBURETOR SPECS (5.7L VINS "L" & "6")

Carburetor Number Specification
17081218
TPS .56 Volts, At Curb Idle With ISC Retracted.
ISC
Minimum ISC Not Used.
Maximum ISC Not Used.
Idle Mixture Set Rich Stop Screw At 4/32". Set Air Bleed Setting 1.756.
Lean Screw 1.304
Idle Screw 3 3/4
Vacuum Break
Primary 26Β°
Secondary N/A
17081224
TPS .56 Volts, At Curb Idle With ISC Retracted.
ISC
Minimum ISC Not Used.
Maximum ISC Not Used.
Idle Mixture Set Rich Stop Screw At 4/32". Set Air Bleed Setting 1.756.
Lean Screw 1.304
Idle Screw 3 1/2
Vacuum Break
Primary 2Β°
Secondary N/A
17081228
TPS .56 Volts, At Curb Idle With ISC Retracted.
ISC
Minimum ISC Not Used.
Maximum ISC Not Used.
Idle Mixture Set Rich Stop Screw At 4/32". Set Air Bleed Setting 1.756.
Lean Screw 1.304
Idle Screw 3 1/2
Vacuum Break
Primary 26Β°
Secondary N/A
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.