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 MANUALSCHEVROLET1994ASTRO VAN M V6-262 4.3L VIN ZREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSENGINE CONFIGURATION SPECIFICATIONS
1994 Chevrolet Astro Van M V6-262 4.3L VIN Z
Engine Configuration Specifications
1994 Chevrolet Astro Van M V6-262 4.3L VIN ZSECTION Engine Configuration Specifications
Engine
Liter/CID [01] 4.3L/V6-262
VIN Code [02] Z
Fuel System TBI
Bore & Stroke, Inch 4.00 x 3.48
Compression Ratio 9.05
Net HP @ RPM 150 @ 4000
Maximum Torque, Ft. Lbs. @ RPM 230 @ 2400
Normal Oil Pressure, psi [04]
[01] CID-Cubic inch displacement.
[02] The eighth digit denotes engine code.
[04] Minimum pressures: 25-50 lbs. @ 1200 RPM; 42-60 lbs. @ 2400-5000 RPM
Liter/CID [01] 4.3L/V6-262
VIN Code [02] Z
Fuel System TBI
Bore & Stroke, Inch 4.00 x 3.48
Compression Ratio 9.05
Net HP @ RPM 150 @ 4000
Maximum Torque, Ft. Lbs. @ RPM 230 @ 2400
Normal Oil Pressure, psi [04]
[01] CID-Cubic inch displacement.
[02] The eighth digit denotes engine code.
[04] Minimum pressures: 25-50 lbs. @ 1200 RPM; 42-60 lbs. @ 2400-5000 RPM
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.