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FSi Racing

About Us

FSi Racing is a premier performance mechanic business based in Claypool, IN, serving the surrounding areas since 2020. Specializing in top-of-the-line mechanic services and a wide array of racing car parts, FSi Racing is your go-to destination for all things automotive. Our expert team offers camshaft installation, tuning, and performance engine installation, as well as custom fabrication and performance maintenance to ensure your vehicle performs at its best. Trust FSi Racing for all your racing and automotive needs.

Our Story

FSi Racing is a trusted name in high-performance automotive care, proudly serving Claypool, IN, and surrounding areas since 2020. Founded with a passion for speed, precision, and top-tier craftsmanship, we specialize in high-performance mechanic services that cater to racers, car enthusiasts, and anyone looking to get the most out of their vehicle. From camshaft installations to tuning, engine swaps to custom fabrication, our team brings years of hands-on experience and technical knowledge to every job we take on.

At FSi Racing, we believe every build tells a story. Whether you’re looking to shave time off your quarter mile, get your track car tuned to perfection, or breathe new life into your daily driver, we bring the same level of dedication and detail to every project. We pride ourselves on offering not just quality service but honest advice. That means no shortcuts, no guesswork—just reliable, powerful results.

Our shop is fully equipped to handle complex installs, modifications, and repairs. We source and supply high-end racing parts from trusted manufacturers to ensure performance and reliability go hand-in-hand. We also provide custom fabrication solutions tailored to your specific goals, whether you're after more horsepower, better handling, or full race-readiness.

What sets us apart is our commitment to our clients. We're not just mechanics—we’re performance partners. We work closely with each customer to understand their vision and provide solutions that align with their goals, timeline, and budget. Our one-on-one approach and deep-rooted knowledge of performance mechanics make us a go-to destination for serious car builders and weekend warriors alike.

From tuning and testing to installs and upgrades, FSi Racing is where performance meets passion. Visit us today and let’s take your ride to the next level.

You can find us at 669 W 600 S in Claypool, IN 46510 or give us a call at +1 574-527-0851 to talk shop or book your next service.

Areas Served

Claypool, IN | Elkhart, IN | Fort Wayne, IN | Goshen, IN | Indianapolis, IN | South Bend, IN | Wabash, IN | Warsaw, IN

What We Offer

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Testimonials

On 2/26/2026 Mike Finney had this to say:
I have taken many things to the guys at FSI. My Cadillac CTSV, my wife’s mustang, they have rebuilt an LS motor for me, welded a rear and and a rear radiator in my race car to list a few. There isn’t much these guys can’t do. They have integrity and that is more important than anything g in today’s time. I would recommend them over and over again from the simplest of oil changes to a complicated race engine rebuild

On 2/26/2026 Wade Frauhiger had this to say:
I have a new corvette that I have taken to FSI to be tuned. Masyn & Nubby were careful with my car to not get the interior dirty and were able to do crazy things with their tuning. I appreciate their attention to detail and the way they explained things to me. I will definitely return!

On 1/14/2026 Dustin Gochenour had this to say:
Professionalism, Knowledge and Experience made my project a success! Thank you Tim and FSI ! 2000 Silverado 5.3

On 1/14/2026 Dustin G had this to say:
Had some friends who spoke highly of Tim at FSI so I called and spoke with him a few times about the build I was doing on my Silverado. He told me he could get it handled and make my integration of parts work and sure enough he did . Nice 70+ hp gain over stock with my build with stock internals except for the cam. Truck runs fantastic and Tim made it all worth it! Testimonial written by Dustin G on this site.

On 12/4/2025 Josh Harvey had this to say:
Awesome people to deal with. Very knowledgeable amd helpful

Contact Us

FSi Racing
669 W 600 S Claypool, IN 46510
Phone: (574) 527-0851
Email: office@fsirace.com

Where To Find Us

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Payment Types Accepted

American Express, Android Pay, Apple Pay, Personal Checks, Debit Cards, Discover, MasterCard, PayPal, Visa

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 9:00 AM - 5:00 PM
Tuesday: 9:00 AM - 5:00 PM
Wednesday: 9:00 AM - 5:00 PM
Thursday: 9:00 AM - 5:00 PM
Friday: 9:00 AM - 5:00 PM
Saturday: 12:00 AM - 12:00 AM By Appointment Only

News

When it comes to LS and LT engines, we do it all — from full builds to precision repairs. Whether you're starting fresh or reviving an old setup, we bring the skill and parts to power your project.🔧 Let's get your next build going — give us a call! #FSIRacing #ClaypoolIN #LSBuild #LSEngineRepair #LTPerformance #PerformanceEngines

FAQ

What is FSi Racing?
FSi Racing is a high-performance shop based in Claypool, Indiana. They specialize in performance-mechanic services, building and tuning racing engines, and providing custom fabrication for race cars and performance vehicles.
What kind of services does FSi Racing offer?
Camshaft installation — Upgrading or replacing camshafts to improve engine performance and torque.

Performance tuning — ECU tuning and custom dyno tuning to optimize your engine for power, efficiency, and racing demands.

Performance engine installation — Professional installation of high-performance or race-specific engines.

Custom fabrication — Tailored work for chassis components, engine mounts, exhaust systems, and other parts to fit your racing setup.

Performance maintenance — Regular maintenance focused on high-performance parts to keep your race car running reliably under stress.
Do you work only on race cars, or do you service street vehicles too?
FSi Racing primarily specializes in race cars and performance vehicles, but they also work on street vehicles that have performance upgrades or modifications. This includes daily drivers that need tuning, custom parts, or engine upgrades to increase power and reliability.
How long has FSi Racing been in business?
FSi Racing has been in operation since 2020, quickly building a reputation for precision workmanship, quality parts, and reliable performance solutions for enthusiasts and competitive racers.
What types of engines do you work on?
FSi Racing works on a variety of high-performance engines, including V8s, inline engines, and specialized racing engines. They handle both naturally aspirated and forced-induction setups such as supercharged or turbocharged engines. They also build custom engines designed to meet specific racing or street performance goals.

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