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 MANUALSCHEVROLET1967CORVETTE 2D CONVERTIBLE, 5.3L ENG, NOT AVAILABLE TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCETUNE-UPV8 TUNE-UPCOMPRESSION PRESSUREVALVE ARRANGEMENT
1967 Chevrolet Corvette 2D Convertible, 5.3L Eng, Not Available Trans
Valve Arrangement
1967 Chevrolet Corvette 2D Convertible, 5.3L Eng, Not Available TransSECTION Valve Arrangement
396", 427" V8 - I-E-I-E-I-E-I-E (each bank, front to rear).
All Other V8 - E-I-I-E-E-I-I-E (each bank, front to rear).
SPARK PLUGS
| Gap | .035" |
| Torque | 20-25 ft. lbs. |
Spark Plug Type
| Engine | Standard | Hotter | Colder |
|---|---|---|---|
| 283" V8 | AC 45 | AC 46 | AC 44 |
| 302" V8 | AC 43 | AC 42-1 | |
| 327", 350" V8 | AC 44 | AC 45 | AC 43 |
| 396", 427" V8 | AC 43N | AC 44N | AC C42N |
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.