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1981 GMC C2500 2WD HD PICKUP

Factory Maintenance Specifications

Quick Summary

Looking for the correct oil type for your 1981 GMC C2500 2WD HD PICKUP? According to factory specs, the 4.8L 6 -cyl Engine Code [T] T requires Awaiting Scrape viscosity oil. Using the right oil capacity of Awaiting Scrape ensures engine longevity and fuel efficiency.

🛢️ 4.8L 6 -cyl Engine Code [T] T

Verified Data
Capacity
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Viscosity
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Source: Amsoil API Structure

🛢️ 5.7L 8 -cyl Engine Code [M] M

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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