Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK1967SKYLARK NOT AVAILABLE, 6.6L ENG, NOT AVAILABLE TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEFUEL DELIVERYROCHESTER 4 MC & 4MV 4-BARREL
1967 Buick Skylark Not Available, 6.6L Eng, Not Available Trans
ROCHESTER 4 MC & 4MV 4-Barrel
1967 Buick Skylark Not Available, 6.6L Eng, Not Available TransSECTION ROCHESTER 4 MC & 4MV 4-Barrel
- 1965 Models
- 1966 Models
- 1967 Models
- Carburetor Identification
- Description
- Adjustment
- Notes
- Idle Speed & Mixture
- Fast Idle Speed (On Engine)
- Slow-Closing Throttle Dashpot & Idle Speed-Up Control
- Float Level
- Pump Rod
- Idle Vent Adjustment
- Fast Idle Setting (Off Engine)
- Choke Rod
- Air Valve (1965-66 Carburetors)
- Air Valve Dashpot (1967 Carburetors)
- Vacuum Break (4MC Carbs.)
- Vacuum Break (1965-66 4MV Carburetors)
- Vacuum Break (1967 4MV Carburetors)
- Split Choke Spring (1966 4MV Carbs.)
- Unloader
- Air Valve Lockout (Buick, Cadillac, Chevrolet, Pontiac)
- Air Valve Lockout (Oldsmobile)
- Secondary Throttle Lockout
- Secondary Throttle Opening (1965-66 Carburetors)
- Secondary Throttle Opening (1967 Carburetors)
- Secondary Throttle Closing
- Secondary Metering Rod
- Secondary Air Valve Spring Wind-up
- Automatic Choke (4MC Carburetors)
- Automatic Choke Coil Rod (4MV Carburetors)
- Overhaul
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.