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ROCHESTER Models 4MC & 4MV 4-Barrel
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ROCHESTER Models 4MC & 4MV 4-Barrel
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Model 4MV
CHEVROLET & GMC
Model 4MC
GMC
Carburetor Identification
Carburetor Description
Adjustment
Hot (Slow) Idle Rpm
Cold (Fast) Idle Rpm
Accelerator Linkage
Float Level
Accelerator Pump Rod
Idle Vent
1968 All Models
1969 All Models
Vacuum Break
1968-70 All Models, 1971 402" Models
1971 350" Models
1972-74 All Models
Choke Rod (Fast Idle Cam)
All Models 4 MV Carburetors
All Models 4 MC Carburetors
Unloader
Secondary Throttle Lockout
Opening Clearance
Secondary Lockout Pin Side Clearance
Air Valve Dashpot
1968-71 All Models
1972-74 All Models
Overhaul
Disassembly
Air Horn
Float Bowl
Automatic Choke Disassembly (4MC Carb.)
Throttle Body
Cleaning And Inspection
Reassembly
Notes
Automatic Choke Reassembly (4MC Carb.)
Vacuum Break Installation
Air Horn Installation