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MegaMax Diesel

MegaMax Diesel

By Nelson Speed Co. / DemonWorks

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8.3L L6P

Diesel Engine Oil Is Changing in 2027: What CL-4 Could Mean for the New 8.3L Duramax

September 27, 2026 — 0 Comments

8.3L L6P

8.3L L6P Duramax Diesel: Everything We Know About GM’s New 555-HP V8

September 24, 2026 — 0 Comments

8.3L L6P

Why Did GM Build an 8.3L Duramax? The Answer May Have a Lot to Do With Emissions

September 23, 2026 — 0 Comments

8.3L L6P

GM Confirms the New L6P 8.3L Duramax V8 — The Mongoose Is Here

September 21, 2026 — 0 Comments

L6P Speculation

L6P Duramax: Everything We Know About GM’s New Diesel Engine

September 21, 2026 — 0 Comments

L6P Speculation

8.3L Duramax MegaMax: Where Did the Rumor Come From and Is It Credible?

September 21, 2026 — 0 Comments

L6P Speculation

What Is the New L6P Duramax? Why GM May Be Building a Bigger Diesel for 2027

September 15, 2026 — 0 Comments

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