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 MANUALSCHEVROLET1966CHEVELLE BASE, 2D CONVERTIBLE, 6.5L ENG, STANDARD TRANS, TRANS MFR CD T16REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALFUEL SYSTEMROCHESTER 4GC 4-BARRELADJUSTMENTSECONDARY LOCK SPRING ADJUSTMENT1961-63 PONTIAC TEMPEST 4 CYL.
1966 Chevrolet Chevelle Base, 2D Convertible, 6.5L Eng, Standard Trans, Trans Mfr CD T16
1961-63 Pontiac Tempest 4 Cyl.
1966 Chevrolet Chevelle Base, 2D Convertible, 6.5L Eng, Standard Trans, Trans Mfr CD T16SECTION 1961-63 Pontiac Tempest 4 Cyl.
After idle speed adjustment completed (with throttle valves closed), place idle on second step of fast idle cam. Clearance between secondary lock spring and secondary lever should be.038". To adjust, bend lock spring.
RENDER: 1.0x
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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.