Best Auto Repair, Wausau

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Electronic Fuel Injection

Working Hours
  • Mon 7:30AM - 5:00PM
    Tue 7:30AM - 5:00PM
  • Wed 7:30AM - 5:00PM
    Thu 7:30AM - 5:00PM
  • Fri 7:30AM - 3:00PM
    Sat Closed
  • Sun Closed

Electronic Fuel Injection

Carbureted & EFI For Increasing Performance

High-Performance EFI Auto Repair in Wausau

The expert mechanics at West Side Automotive Service know switching to fuel injection often improves the fuel efficiency and performance of older carbureted engines. In newer cars, replacing a single fuel injector with a multi-port fuel injector creates an intense, even flow of fuel on each cylinder when your engine needs it most. Feed your engine the fuel it needs with fuel pumps, fuel filters, superchargers, and turbochargers. Break out of gasoline only feed engines by adding a nitrous kit or cooling methanol injection kit.

To ensure the correct air to fuel ratio, West Side Automotive Service can add a new stock-height replacement intake manifold, cold air intake, and fuel rails. Never run rich or lean with a hood scoop, high-performance air filter, and new O2 sensor. Call West Side Automotive Service and talk to us about increasing your car's performance. When you want performance you need the auto repair experts at West Side Automotive Service located at 6815 Stewart Ave.

If you're ready to take your car or truck's fuel injection to the next level, West Side Automotive Service is ready with injectors, manifolds, fuel rails, sensors, and complete performance EFI conversion kits. From BMW to Audi to Corvette, West Side Automotive Service has you covered.

Tuning Old School Carburetors For True Muscle

Your muscle car may be starving for air! Bring it to West Side Automotive Service and find out. Because of operating losses in the intake runner and cylinder with newer unleaded fuels that do not fully vaporize in the combustion chamber, cars tuned to the manufacturer's specifications can run lean. West Side Automotive Service can diagnose if you are actually running leaner than the manufacturer suggested ratio of 14.7:1 air to fuel mixture. Bring your classic car to West Side Automotive Service at 6815 Stewart Ave to tune the perfect air to fuel mixture and correct ignition spark for maximum power.

715-842-0300!

What People Say About Us

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    I've had Tim (ASE Master Technician) and Nate work on my vehicles and they've always done great work at reasonable prices. Before I recently traded my old Pontiac Vibe in to the dealer, I had these guys get everything in tip top condition and Kocourek gave me a really good price. When my son was up here visiting, the heat shield bracket to the muffler had come loose and was making a terrible noise. These guys knew exactly what it was, got it up on the lift and 10 minutes later, finished. $10 bucks. All without an appointment. I've seen big rigs in there, so they know what they're doing. Highly recommended.

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    These guys run a tight ship and are very professional. They obviously have years of experience. Their customer service is fantastic and I would recommend them to anyone who needs there car worked on!

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    This is easily the best auto service within Marathon county, and I've been everywhere. The customer service is on par with a 5 star resort and hotel. Also when shopping around for the lowest price on a job or repair, this place always maintains the best price.

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    This is my go-to auto service center. They're reasonably priced, offer quality service, and most of all, they're honest.

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    West side auto has provided me excellent service time and time again...I couldn't be happier about their quality of work, great customer service, helpful attitude, and competitive pricing. I would recommend this shop above any others.

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    This auto shop is one I trust. They always provide me options with their recommendation along with answering the whys. Highly recommended!

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    I brought my Mercedes into West Side for the first time and they did a great job diagnosing and addressing my issue in a timely and professional manner. Staff is extremely accomodative and friendly as well as seemingly immensely knowledgeable. I no longer live in Wausau but if I did West Side Automotive would be my 'go to' shop for automotive-related repairs. Highly recommended.

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    Excellent service. We're not from the area, had some trouble on Hwy 29 and Tim got us back on the road within the hour!

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    I was on my way home to Madison when handling problems with my car started. Even though it was Friday, and snowing, Tim got me in right away. I was back on the road in short order. The price was very reasonable and they also have the best waiting area I've experienced! Thank you very much!

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    Tim & the guys are always so helpful and knowledgeable!! The prices are reasonable and my vehicles are taken care of in a timely fashion- they have always tried to accommodate my needs. I recommend this repair shop to anyone and everyone!!

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    Best shop in Wausau. Honest, thorough, and high quality.

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    I've had Tim (ASE Master Technician) and Nate work on my vehicles and they've always done great work at reasonable prices. Before I recently traded my old Pontiac Vibe in to the dealer, I had these guys get everything in tip top condition and Kocourek gave me a really good price. When my son was up here visiting, the heat shield bracket to the muffler had come loose and was making a terrible noise. These guys knew exactly what it was, got it up on the lift and 10 minutes later, finished. $10 bucks. All without an appointment. I've seen big rigs in there, so they know what they're doing. Highly recommended.

Call us for service: 715-842-0300

ASE (Automotive Service Excellence)
AutoPlus
Wix Filters
Interstate Batteries
Amsoil
Monroe
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