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1985 GMC C2500

Factory Maintenance Specifications

Quick Summary

Looking for the correct oil type for your 1985 GMC C2500? According to factory specs, the 4.3L 6 -cyl Engine Code [N] N requires Awaiting Scrape viscosity oil. Using the right oil capacity of Awaiting Scrape ensures engine longevity and fuel efficiency.

🛢️ 4.3L 6 -cyl Engine Code [N] N

Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

🛢️ 4.8L 6 -cyl Engine Code [T] T

Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

🛢️ 5.0L 8 -cyl Engine Code [H] H

Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

🛢️ 5.7L 8 -cyl Engine Code [L] L

Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

🛢️ 5.7L 8 -cyl Engine Code [M] M

Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

🛢️ 6.2L 8 -cyl Engine Code [C] C Diesel

Diesel Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

🛢️ 6.2L 8 -cyl Engine Code [J] J Diesel

Diesel Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

🛢️ 7.4L 8 -cyl Engine Code [W] W

Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

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