Sullivan's Two Unlimited
795 Highway 12, Baraboo, WI 53913 608.356.9282

Engine and Exhaust

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Proper Grade of Gas

There are a lot of misconceptions about fuel grades – and by fuel grades I mean the octane rating. With names like “Standard," “Super," “Plus," and “Premium,” it&rs...
Published on: Jun 13, 2023

Time To Take Another Look at Diesels

{{ image('MzU1') }} If you haven't looked into diesel engines lately, you may be interested in today's post. Why should you care about modern diesel engines? Fuel efficiency, for starters. Because di...
Published on: Sep 26, 2022

Fuel System

I’d like to give you a quick overview of the fuel system.  It starts with the fuel tank.  The fuel pump is located inside the tank and pumps fuel out to the engine.  Somewhere alo...
Published on: Apr 21, 2021

Sullivan's Two Unlimited Service to Improve Fuel Economy

Let’s review some things that Baraboo drivers can do to improve fuel economy. Bottom line,  the better you maintain your vehicle, the less fuel you will use. It all adds up in a big wa...
Published on: Sep 19, 2020

Fuel Saving Tip from Sullivan's Two Unlimited: Gas Cap

This fuel saving tip for Baraboo residents is so simple you won't believe it. It has to do with your gas cap. The first thing is to make sure it's screwed on tight. If it's loose, gas vapor will be co...
Published on: Aug 07, 2020

Your Nose Knows Gasoline

Each time we fuel up our vehicles, we get a little whiff of gasoline, so the smell is very familiar. There shouldn’t be any gasoline smell in or around your vehicle when you are away from the ga...
Published on: Jan 17, 2020

Sullivan's Two Unlimited Tech Question On Your Fuel Pump

{{ image('MzM1') }} Sullivan's Two Unlimited Tech Question:I was driving on a local Baraboo road and my vehicle started sputtering. And then the engine finally quit and I couldn't get it started. I w...
Published on: Jan 02, 2020

Fuel System Service at Sullivan's Two Unlimited

Today's 
Sullivan's Two Unlimited post contains a quick overview of the fuel system. It starts with the fuel tank. The fuel pump is located inside the tank and pumps fuel out to the engine. Somewhere ...
Published on: Sep 02, 2019