Discussing Valve Spring Considerations, Testing ZDDP And DLC Coating For Flat Tappet Break-In, Discussing Different Valve Materials, And More From EngineLabs.com!

Preview text: Maintaining valve control is a bit more complicated than just adding spring pressure and…

Wednesday, Sep 16, 2026 at 2:22 PM EasternActiveCampaign

Engine LabsDiscussing Valve Spring Considerations, Testing ZDDP And DLC Coating For Flat Tappet Break-In, Discussing Different Valve Materials, And More From EngineLabs.com!

Fit to screenFull size

Discussing Valve Spring Considerations, Testing ZDDP And DLC Coating For
Flat Tappet Break-In, Discussing Different Valve Materials, 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: Discussing Valve Spring Considerations, Testing ZDDP And DLC Coating For Flat Tappet Break-In, Discussing Different Valve Materials, And More From EngineLabs.com!
Preview text: Maintaining valve control is a bit more complicated than just adding spring pressure and…
From: contact@enginelabs.com
Brand: Engine Labs
ESP: ActiveCampaign
Sent: Wed Sep 16, 2026, 2:22 PM ET
Size: 124 KB
Images: 20
Links: 52, 8 of them buttons
Subject length: 164 characters

Against Engine Labs's usual

Sent in its busiest hour, 2 PM, which holds 91% of its emails. The subject is 164 characters; its average is 161.

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: Discussing Valve Spring Considerations, Testing ZDDP And DLC Coating For Flat Tappet Break-In, Discussing Different Valve Materials, And More From EngineLabs.com!
Date: Wed, 16 Sep 2026 13:22:02 -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.acemsb3.com [52.128.40.60] 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

	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!
	Sep 16, 2026 2:22 PM	Discussing Valve Spring Considerations, Testing ZDDP And DLC Coating For Flat Tappet Break-In, Discussing Different Valve Materials, And More From EngineLabs.com! (this email)
	Sep 11, 2026 4:51 PM	Testing ZDDP And DLC Coating For Flat Tappet Break-In, Discussing Different Valve Materials, SwRI's Hydrogen Combustion Research Continues To Bear Fruit, And More From EngineLabs.com!
	Sep 9, 2026 2:27 PM	Discussing Different Valve Materials, SwRI's Hydrogen Combustion Research Continues To Bear Fruit, Cosworth's 16,000-RPM F1-Inspired 3-Cylinder, And More From EngineLabs.com!
	Sep 7, 2026 2:26 PM	Lab Notes: Hot-V LT Supra Hits The Dyno, Dodge's 600-HP Inline-Six, And More From EngineLabs.com!

More from Engine Labs

All Engine Labs emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Sep 16, 2026.