GM 7034068 – Fast Idle Cam – 1968 Chevy II / Nova 4‑cyl & 1968 Chevy Pickup 6‑cyl – NOS Delco Rochester CARBURETOR

$44.99

type: Unknown Type
Vendor: CorvairFarmer

Description:

GM 7034068 – Fast Idle Cam – 1968 Chevy II / Nova 4‑cyl & 1968 Chevy Pickup 6‑cyl – NOS Delco Rochester

Description: Genuine GM 7034068 Fast Idle Cam, Group 3.766, New Old Stock in original Delco Rochester packaging. Correct for 1968 Chevrolet 4‑cylinder and 6‑cylinder applications using Rochester 1‑barrel carburetors. This cam indexes the choke linkage to set proper fast‑idle speed during cold starts — a critical component for concours‑correct carburetor restoration.

Verified Applications:

  • 1968 Chevy II / Nova 4‑cyl (carbs 7028008, 7028009)

  • 1968 Chevrolet Pickup 6‑cyl with Rochester 1BC (carbs 70280011, 70280012, 70280013)

Details:

  • GM Part Number: 7034068

  • Group Number: 3.766

  • Manufacturer: Delco Rochester

  • Condition: NOS

  • Status: Discontinued OEM part

    GM 7034068 — FAST IDLE CAM

    Group 3.766 — Rochester Carburetor Hardware Genuine GM / Delco Rochester


    🔧 1. Specifications (Verified)

    Attribute Details
    GM Part Number 7034068
    GM Group Number 3.766
    Description Fast Idle Cam
    Category Carburetor → Choke / Fast‑Idle System
    Manufacturer Delco Rochester (GM)
    Material  fast‑idle cam
    Function Controls fast‑idle speed during cold start by indexing choke linkage
    Status Discontinued OEM part


    A. 1968 Chevrolet Chevy II / Nova — 4‑cylinder

    • Used with Rochester carburetors 7028008 and 7028009

    B. 1968 Chevrolet Pickup — All with 6‑cylinder & Rochester 1BC

    • Used with carburetors 70280011, 70280012, 70280013


    📊 3. Fitment Chart (Complete & Verified)

    Year Make Model Engine Carburetor Notes
    1968 Chevrolet Chevy II 4‑cyl 7028008 / 7028009 Fast Idle Cam
    1968 Chevrolet Nova 4‑cyl 7028008 / 7028009 Fast Idle Cam
    1968 Chevrolet Pickup (C/K) 6‑cyl 70280011 / 12 / 13 Rochester 1BC fast‑idle cam

     


    🔄 4. Cross‑Reference

    Type Number Notes
    OEM 7034068 Primary GM number
    Group 3.766 Rochester choke/fast‑idle components
    Carburetor Families 1BC, early Rochester 1‑barrel Verified applications

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