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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1987G 30 VAN V8-305 5.0LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINETUNE-UP AND ENGINE PERFORMANCE CHECKSIDLE SPEEDSPECIFICATIONS
1987 Chevrolet G 30 Van V8-305 5.0L
Idle Speed: Specifications
1987 Chevrolet G 30 Van V8-305 5.0LSECTION Specifications
Base Idles Speed
Manual Transmission 700 rpm
Automatic Transmission 550 rpm
Fast Idle Speed
Manual Transmission 1700 rpm (on high cam)
Automatic Transmission 1800 rpm (on high cam)
Manual Transmission 700 rpm
Automatic Transmission 550 rpm
Fast Idle Speed
Manual Transmission 1700 rpm (on high cam)
Automatic Transmission 1800 rpm (on high cam)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.