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 MANUALSCHEVROLET1966BISCAYNE 7.0L ENG, AUTOMATIC TRANS, TRANS MFR CD THM400REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEFUEL DELIVERYHOLLEY 2, 3 & 4-BARREL MODELS 2300, 3160, 4150, 4160ADJUSTMENT (OFF ENGINE)FAST IDLE SETTINGNOTES
1966 Chevrolet Biscayne 7.0L Eng, Automatic Trans, Trans Mfr CD THM400
Fast Idle Setting: Notes
1966 Chevrolet Biscayne 7.0L Eng, Automatic Trans, Trans Mfr CD THM400SECTION Notes
NOTE:
This setting should give correct engine fast idle RPM when carburetor installed on engine. Where a fast idle engine RPM specification is listed, this fast idle RPM should be checked after carburetor installed on engine with engine running. See "FAST IDLE SPEED (ON ENGINE) ". Different types of "Off Engine" adjustments are used as listed below (see Specifications for applicable procedure).
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:
- • 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.