Jack Martin
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Stories (5)
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Start Your Car the Easy Way (Most Drivers Don't Know This Trick)
Cold starts are the hardest thing your engine ever does. If you drive a gasoline-powered car or truck made since 1996, your fuel-injection system automatically tries to help by enriching the air-fuel mixture during startup — similar to how a choke worked on older carbureted engines.
By Jack Martinabout a month ago in Wheel
It's Shockingly Simple to Connect a Car Battery Safely
As a Master Mechanic, you spend a lot of time disconnecting, jump-starting, charging, or replacing car batteries. In modern vehicles, disabling the electrical system is often the first step of almost any repair.
By Jack Martinabout a month ago in Wheel
Premium Gas is Draining Your Wallet ━ Unless You Need it
Have you ever wondered whether premium fuel could actually help your engine? Fuels rated at 91–93 octane do resist detonation better than lower-octane fuels, and in some cases they can burn more completely. But does that mean your engine will run better, last longer, or get more power?
By Jack Martinabout a month ago in Wheel
You Won't Believe How Easy it is to Get 100,000 Miles Between Brake Jobs
Most drivers are destroying their brakes prematurely — and it has nothing to do with speed. As a Master Mechanic for 25 years, I’ve seen every driving style imaginable. And nothing reveals a driver’s habits faster than how often they need brake work.
By Jack Martinabout a month ago in Wheel




