Posts by MARC ONEIL
Black Smoke Diesel: The Best Proven Causes & Fix Guide 2026
Black Smoke From Diesel Engine: Causes and How to Fix It
Black smoke means your engine is burning more fuel than the air it has can ha...
Blue Smoke From a Diesel: The Best Proven Diagnosis Guide
Blue Smoke From Diesel Engine: Causes, Diagnosis & Fixes
Blue smoke from a diesel exhaust means one thing specifically: engine oil...
Diesel Engine Rebuild Cost: The Best Proven Price Breakdown (2026)
Diesel Engine Rebuild Cost Breakdown
Engine rebuild cost on a diesel spans one of the widest ranges of any repair, because "rebuild" i...
Diesel Knocking: The Best Proven Causes & Diagnosis Guide
Diesel Engine Knocking Noise: Causes and Diagnosis
Some diesel knocking is completely normal — the distinctive clatter of compression ...
DPF Won’t Regen: The Best Proven Fix Guide (2026)
DPF Regeneration Problems: Won't Regen Fixes
When a dpf won't regen, soot keeps accumulating in the filter with nowhere to go, and mos...
Bad EGR Valve: The Best Proven Diesel Diagnosis Guide
EGR Valve Symptoms: Bad EGR Diagnosis and Cleaning
A bad egr valve is one of the most common causes of a rough-running diesel that als...
Diesel Head Gasket Replacement Cost: The Best Proven Price Breakdown (2026)
Diesel Head Gasket Replacement Cost
Head gasket replacement cost on a diesel varies more than almost any other common repair — and the...
OEM vs Aftermarket Parts: The Best Proven Buying Guide (2026)
OEM vs Aftermarket Diesel Parts: How to Choose
The oem vs aftermarket parts decision comes up on every diesel repair, and neither answ...
Blown Head Gasket Symptoms: The Best Proven Diagnosis Guide
Blown Head Gasket Symptoms on a Diesel
Blown head gasket symptoms on a diesel rarely show up as one single obvious sign — they show up...
Performance Transmission Guide: Best Auto & Manual Picks (2026)
A performance transmission is the part of your build most likely to fail, and the part most likely to be an afterthought.
People spe...
Disc Brake Conversion: Best Kits, Real Costs & Fit Guide (2026)
A disc brake conversion is the single most important upgrade you can make to a classic car — and the one most people put off until afte...
LS Swap Guide: Best Engine, Transmission, Parts & Cost (2026)
An LS swap is the most popular engine conversion in the world, and the reason is simple: no other engine gives you this much power, thi...
Crate Engine Buying Guide 2026: How to Choose the Best Engine
A crate engine is the fastest, most predictable way to put reliable power into a project car — and one of the largest single purchases ...
Crate Engines: The Complete Buyer’s Guide (2026)
Buying a crate engine is one of the largest single purchases in any build. Get it right and you have a reliable, powerful engine that r...
how to turn off trailer brake system warning
How to turn off trailer brake system warning. Did you know that approximately 40% of maritime casualties and operational failures are a...
what does brake system light mean
What does brake system light mean? What happens when your vessel's electrical system fails in the middle of the ocean? For many ship ow...
how long can you drive with engine light on?(Don’t Ignore These Warning Signs!)
That Sudden Dashboard Warning
How Long Can You Drive With the Engine Light On? You’re driving peacefully, maybe heading home or on a l...
what is suspension system in a car ? (Complete Guide for Smooth & Safe Driving)
Have you ever driven on a rough road and felt every bump, pothole, or crack shaking your entire car? Or maybe you’ve noticed your vehic...
how much is a hellcat motor ? Real Costs, Buying Tips & Best Deals
Thinking About a Hellcat Swap?
Few engines create excitement like the l...
How to Winterize Outboard Motor: Complete Step-by-Step Guide for Beginners
If you’ve ever pulled your boat out of storage in spring only to find the engine struggling—or worse, not starting at all—you already k...
what is a crate engine?
Need a New Engine Without the Headache?
Imagine this: your engine suddenly fails, repairs keep getting more expensive, and every mecha...
What Is Suspension in a Car? A Simple Guide Every Driver Should Read
Have you ever driven over a rough road and felt every bump shake your entire car? Or noticed your vehicle bouncing too much after hitti...
how to winterize an outboard motor
How to winterize an outboard motor. As temperatures begin to drop and boating season comes to an end, many boat owners make a costly mi...
Can You Drive With the Check Engine Light On? What You Need to Know
The check engine light has a special talent for showing up at the worst possible time. You’re driving to work, heading out on a road tr...
Can You Drive With the Check Engine Light On? What Drivers Need to Know
When your check engine light suddenly comes on, it is easy to feel a little stressed. One minute, everything seems normal, and the next...