GM's New Mongoose Duramax Diesel Engine Announced With Details, Chevrolet's New Gen-6 Small-Block Lineup Announced, A 401-Cube Gen-III HEMI Short-Block Build, And More From EngineLabs.com!

Preview text: General Motors has confirmed an all-new 8.3-liter Duramax Turbo Diesel V8 called the…

Friday, Sep 25, 2026 at 2:26 PM EasternActiveCampaign

Engine LabsGM's New Mongoose Duramax Diesel Engine Announced With Details, Chevrolet's New Gen-6 Small-Block Lineup Announced, A 401-Cube Gen-III HEMI Short-Block Build, And More From EngineLabs.com!

Fit to screenFull size

GM's New Mongoose Duramax Diesel Engine Announced With Details, Chevrolet's
New Gen-6 Small-Block Lineup Announced, A 401-Cube Gen-III HEMI Short-Block
Build, And More From EngineLabs.com! - email from Engine Labs

Using this email in an article? Credit: Engine Labs email via They Sent It, with a link to this page. Full-size image

Use this example

Download imageMore for writers

Subject: GM's New Mongoose Duramax Diesel Engine Announced With Details, Chevrolet's New Gen-6 Small-Block Lineup Announced, A 401-Cube Gen-III HEMI Short-Block Build, And More From EngineLabs.com!
Preview text: General Motors has confirmed an all-new 8.3-liter Duramax Turbo Diesel V8 called the…
From: contact@enginelabs.com
Brand: Engine Labs
ESP: ActiveCampaign
Sent: Fri Sep 25, 2026, 2:26 PM ET
Size: 100 KB
Images: 20
Links: 52, 8 of them buttons
Subject length: 190 characters

Against Engine Labs's usual

Sent in its busiest hour, 2 PM, which holds 91% of its emails. The subject is 190 characters; its average is 162.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: Engine Labs <[email protected]>
Subject: GM's New Mongoose Duramax Diesel Engine Announced With Details, Chevrolet's New Gen-6 Small-Block Lineup Announced, A 401-Cube Gen-III HEMI Short-Block Build, And More From EngineLabs.com!
Date: Fri, 25 Sep 2026 13:26:59 -0500
Message-ID domain: list.powerautomedia.com
Return-Path domain: em-17256.enginelabs.com
DKIM signature: d=enginelabs.com s=acdkim1; d=acems2.com s=acdkim1
Authentication: dkim=pass (enginelabs.com), dkim=pass (acems2.com), spf=pass (em-17256.enginelabs.com), dmarc=pass (enginelabs.com)
List-Unsubscribe: Present, one-click
Mailer: ActiveCampaign Mailer
Feedback-ID sender: activecampaign

Servers it passed through, newest first

from s6.csa2.acemsa4.com [52.128.40.97] by our receiving server with ESMTPS
from localhost.localdomain by acems1.com with ESMTP

Other sending headers (names only): X-KumoRef, X-Report-Abuse, X-mid, X-lid, x-virtual-mta, X-250ok-CID, X-DKIM-Options

Report this email

Sent just before and after

	Oct 2, 2026 2:26 PM	Piston Ring Tension Vs. Friction Explored, Newcomer Racing Builds A Badass N/A Jeep Engine, Making Big Gen-III HEMI Top End Upgrades, And More From EngineLabs.com!
	Sep 30, 2026 2:21 PM	Newcomer Racing Builds A Badass N/A Jeep Engine, Making Big Gen-III HEMI Top End Upgrades, GM's New Mongoose Duramax Diesel Engine Announced With Details, And More From EngineLabs.com!
	Sep 28, 2026 2:26 PM	Lab Notes: Honda's F1 V8 That Didn't Get To Live, The Rover V8 Origin Story, And More From EngineLabs.com!
	Sep 25, 2026 2:26 PM	GM's New Mongoose Duramax Diesel Engine Announced With Details, Chevrolet's New Gen-6 Small-Block Lineup Announced, A 401-Cube Gen-III HEMI Short-Block Build, And More From EngineLabs.com! (this email)
	Sep 23, 2026 2:25 PM	Chevrolet's New Gen-6 Small-Block Lineup Announced, A 401-Cube Gen-III HEMI Short-Block Build, Exploring Fastener Torque Vs. Clamp Load, And More From EngineLabs.com!
	Sep 21, 2026 5:15 PM	Lab Notes: A Rear-Fed Supercharged Godzilla, The F-35's F135 Engine Upgrade, And More From EngineLabs.com!
	Sep 18, 2026 2:29 PM	Exploring Fastener Torque Vs. Clamp Load, Looking At Valve Spring Considerations, Testing ZDDP And DLC Coating For Flat Tappet Break-In, And More From EngineLabs.com!