Guthrie's Auto Service Inc.
144 COUNTY ROAD 1435 CULLMAN, AL 35058 256.739.1690

Engine and Exhaust

Alt + /

Motor Oil—The Synthetic Advantage (Synthetic oil vs Conventional)

You’ve probably already heard that regular oil changes are extremely important for the health of your vehicle’s engine. That’s sound advice.  But what you might not know is when...
Published on: Feb 09, 2025

The Harm in Skipping an Oil Change

Some new vehicle manufacturers are now recommending much higher oil change intervals than they have in the past. As much as 5,000 to 8,000 miles or more.  Following these recommendations is very ...
Published on: Jan 19, 2025

The “Man-Made” Engine Oil (Synthetic Oil Change)

If you own a newer vehicle, your vehicle’s manufacturer may require that it use synthetic oil instead of conventional oil.  Synthetic oils are more stable, don’t break down as easily,...
Published on: May 26, 2024

Oil Change

An oil change:  Sounds simple, but there’s some important things to know about preventing oil sludge. Oil eventually starts to turn into jelly.  Literally – petroleum jelly.&nbs...
Published on: Mar 02, 2023

Guthrie's Auto Service Inc. Advice on Synthetic Oil

Heard of synthetic motor oil but would like to learn more information?  Well, synthetic motor oil is a substitute for conventional oil.  Synthetic doesn’t gel or gum-up like conventio...
Published on: Dec 29, 2022

The Maintenance Mindset For Cullman Drivers

{{ image('MzA0') }} In Cullman, we know we need to take care of our cars, but it just seems really hard to remember to do it. We generally accept that many things in life require regular maintenance ...
Published on: Jul 10, 2022

Guthrie's Auto Service Inc. Tip: Use The Correct Fluids In Your Vehicle

Big advances in automotive technology have led to the development of high-tech fluids to keep pace.  A simple example of this is the cooling system.  For decades it was primarily made from i...
Published on: Mar 04, 2020

Change Your Oil, Al Drivers!

As engine technology advances, recommended oil change intervals have gotten longer.  High quality oil in a well-engineered engine has led to extended intervals.  Here’s the problem:&n...
Published on: Nov 26, 2019