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 MANUALSCHEVROLET1994K 2500 SUBURBAN 4WD V8-454 7.4LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYVALVE SPRING
1994 Chevrolet K 2500 Suburban 4WD V8-454 7.4L
Valve Spring
1994 Chevrolet K 2500 Suburban 4WD V8-454 7.4LSECTION Valve Spring
Engine Liter/CID 7.4L/V8-454
All specifications given in inches.
Free Length 2.12
Out Of Square Limit 0.062
Installed Height 1.766-1.828
Pressure, Lbs. @ Inches
Closed
Intake 74.0-86.0 @ 1.800
Exhaust 74.0-86.0 @ 1.800
Open
Intake 195-215 @ 1.40
Exhaust 195-215 @ 1.40
All specifications given in inches.
Free Length 2.12
Out Of Square Limit 0.062
Installed Height 1.766-1.828
Pressure, Lbs. @ Inches
Closed
Intake 74.0-86.0 @ 1.800
Exhaust 74.0-86.0 @ 1.800
Open
Intake 195-215 @ 1.40
Exhaust 195-215 @ 1.40
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.