Hartsel Performance

Hartsel Performance Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Hartsel Performance, Automotive repair centre, 249 N Washington Street, Tiffin, OH.
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08/19/2026

Doing C8 stuff today! Car came to us with some modifications done, and he was needing somebody to get the calibration lined out for him. Customer had a local shop install a TSP camshaft, ported stock cylinder heads, exhaust and a cold air intake system. He's on the schedule for Friday, so we should get final numbers then. Here's some music for your ears to hold you over until it hits the rollers!

Texas Speed & Performance
Dynocom Industries
CHE Precision Inc.
Chevrolet Performance
HP Tuners
InjectorExperts
Valkyrie Race Solutions

*We now require 50% of your dyno fees as a deposit at the time of scheduling to secure your spot.*

DM our page or
Call (567) 220 6475 - Office Land Line
Text or Call (567) 201 1090 Mobile Shop Phone to get scheduled!

08/12/2026

Good afternoon!

We are currently out of the shop from August 12th through August 18th! I will not be able to schedule anything until I get back to the shop. As of yesterday, I had 52 voicemails to get back to, and I am all caught up on emails. I only have service when I'm on Wi-Fi, so communication will be spotty at best. I'll try to get with everyone who sends messages and emails to me at the end of the day. I do not have my updated schedule with me, so I will not be able to tentatively schedule any appointments until I return home. I appreciate everyone's understanding, and I look forward to speaking with all of you when I'm back!

Thank you!
Lucas

GMC Caballero on the rollers earlier this week! This has a stock 350 crate engine from Jegs, TH350 transmission, Dakota ...
08/08/2026

GMC Caballero on the rollers earlier this week! This has a stock 350 crate engine from Jegs, TH350 transmission, Dakota Digital dash and a holley sniper 2 efi system on it that was installed locally at Smittys. They did a fantastic job getting everything ready to get it on the rollers!

Dynocom Industries
InjectorExperts
Holley
Smittys Custom Automotive
JEGS Performance
Dakota Digital

*We now require 50% of your dyno fees as a deposit at the time of scheduling to secure your spot.*

DM our page or
Call (567) 220 6475 - Office Land Line
Text or Call (567) 201 1090 Mobile Shop Phone to get scheduled!

2011 CTS-V Wagon 🦄 on the rollers this morning to get the calibration sorted out after the customer installed a few mods...
08/08/2026

2011 CTS-V Wagon 🦄 on the rollers this morning to get the calibration sorted out after the customer installed a few mods to his car! He was going with a remote tuner and felt the car was having some issues, so we got it straightened out for him.

We ran a baseline pull and it put down 504 hp and 591 ft lbs of torque. We ended up at 621hp and 654 ft lbs of torque on 93. We splashed some ethanol in the tank, got the content to E61 and it put down 664 hp and 689 ft lbs of torque. The engine is stock, blower is stock and un ported, he added a Kong lid, 2.38 upper pulley, exhaust system with factory mufflers, dsx auxiliary pump, cold air intake, larger injectors and a flex fuel kit.

Dynocom Industries
HP Tuners
Injector Dynamics 1300s
DSX Tuning Aux pump/flex kit
American Racing Headers Exhaust to factory mufflers
Kong Performance LSA Lid
ZPE Inc. 2.38 pulley
InjectorExperts
AIRAID CAI
Cadillac

*We now require 50% of your dyno fees as a deposit at the time of scheduling to secure your spot.*

DM our page or
Call (567) 220 6475 - Office Land Line
Text or Call (567) 201 1090 Mobile Shop Phone to get scheduled!

We had a rare 5th gen camaro on the dyno a few days ago to get the calibration dialed in for the new cold air intake. 6....
08/06/2026

We had a rare 5th gen camaro on the dyno a few days ago to get the calibration dialed in for the new cold air intake. 6.2L engine and A6 transmission, sending him home with a couple extra ponies and a way better driving experience.

Dynocom Industries
Chevrolet
Chevrolet Performance
Roto-Fab
InjectorExperts
HP Tuners

*We now require 50% of your dyno fees as a deposit at the time of scheduling to secure your spot.*

DM our page or
Call (567) 220 6475 - Office Land Line
Text or Call (567) 201 1090 Mobile Shop Phone to get scheduled!

We had a gorgeous 2007 C6 Z06 on the dyno this afternoon. This car is primarily used for half mile events and as a cruis...
07/31/2026

We had a gorgeous 2007 C6 Z06 on the dyno this afternoon. This car is primarily used for half mile events and as a cruiser. The customer has an extensive amount of mods done to the car to be a national level competition car for it's class. It all starts with the 468 cubic inch engine stuffed down in the chassis. It's breathing good with a bumper entry intake tube, high ram intake manifold, 120mm throttle body just to name a few! Through the stock E38 ecm, still on 93 octane fuel, we managed to put down 731HP and 579ft lbs of torque to the wheels! They're adding a 2nd fuel pump and coming back with E85!

Dynocom Industries
Brian Tooley Racing
InjectorExperts
Fuel Injector Clinic
Holley
HP Tuners
Chevrolet Performance
Racetronix
Weldon Racing & Automotive Repair

*We now require 50% of your dyno fees as a deposit at the time of scheduling to secure your spot.*

DM our page or
Call (567) 220 6475 - Office Land Line
Text or Call (567) 201 1090 Mobile Shop Phone to get scheduled!

Supercharged ram on the dyno yesterday! 2014 Ram 1500 with a D1SC procharger system bolted to a bone stock 5.7L hemi eng...
07/30/2026

Supercharged ram on the dyno yesterday! 2014 Ram 1500 with a D1SC procharger system bolted to a bone stock 5.7L hemi engine. Making about 6 psi of boost, it was able to put down 436hp and 480ft lbs of torque to the wheels on 35 inch tires!

ProCharger Superchargers
Dynocom Industries
DeatschWerks
InjectorExperts
HP Tuners
Mopar
Ram Trucks

*We now require 50% of your dyno fees as a deposit at the time of scheduling to secure your spot.*

DM our page or
Call (567) 220 6475 - Office Land Line
Text or Call (567) 201 1090 Mobile Shop Phone to get scheduled!

07/28/2026

First and foremost, I really appreciate everyone who has given me the opportunity to work on your vehicle, or have done the calibration on your vehicle. This is truly my passion in life, and I LOVE my job! Who wouldn't wanna wake up, run cars on a dyno, make power, put smiles on customers faces when we meet and exceed their expectations. It's a very fulfilling job to have!

Over the last few years, we've had a few different guys working in the office or in the shop. With that being said, I'm back on the hunt to get some more people in the shop. I am looking specifically for individuals who have the same drive and passion for this sport as I do! I take PRIDE in the work I do at the shop, and I'm looking for others who are like minded.

Office Manager / Service Writer

This position primarily consists of answering the phone, emails, Facebook messages, text and calls on the shop cell phone. You would be responsible for keeping shop inventory for parts we have planned for customers builds, ordering parts for customers upcoming build, shop supplies, and as needed parts when we run into the need for replacement parts. Taking deposits from customers when scheduling labor or calibration services, writing up detailed quotes for customers vehicles with modifications requested. Taking photos of vehicles we are working on, and posting them on social media. This is a very detail oriented position. Punctuality, being organized and having professionalism is an absolute must! We're not a backyard shop, so this position must be treated as such. It is very typical to field 10-40 different phone calls per day, along with several emails and text messages between potential clients, and clients who have vehicles at the shop waiting on updates. This is a 9am-5pm position, Monday - Friday.

Mechanic/Technician

This position consists of doing the physical labor on the vehicles we bring into the shop. We work on and service Ford, Chrysler and GM vehicles, with GM being our specialty. You would be responsible for installing supercharger kits, turbocharger kits, building engines from a short block to complete intake to oil pan. Diagnostics of electrical systems. Typical aftermarket parts that we install consist of camshafts, intake manifolds, exhaust systems, aftermarket electronics, auxiliary fuel systems, throttle bodies, in tank fuel systems, fuel tanks, batteries, torque converters, transmissions and suspension components to list a few. If it needs mechanical work, we need you to be able to perform those tasks in a timely matter, along with having attention to detail. THIS IS NOT A ENTRY LEVEL POSITION!! YOU MUST HAVE YOUR OWN TOOLS!! We will provide scan tools, and some of the specialty tools required for this position, but all hand tools, impacts, sockets, hammers, torque wrenches, multimeters ect must be part of your toolbox. Pay is dependent on your skill level. If you're worth 50 bucks an hour, you will be compensated appropriately for your skills, knowledge and assortment of tools you provided. I cannot stress this enough, but ATTENTION TO DETAIL is the MOST IMPORTANT part of this job.

If racing, performance vehicles, new and old cars is something you enjoy, or you know somebody who might be interested in doing work like this, please contact us via email, phone, or stop in person so we can chat! You can reach us at [email protected] or at 567-220-6475.

We got cut short on Friday working on this Corvette. The customer had a supercharger, along with a crate 376LSX engine i...
07/25/2026

We got cut short on Friday working on this Corvette. The customer had a supercharger, along with a crate 376LSX engine installed in his ride, and it needed some tuning. We ended up running out of injector and fuel pump on our first run. We're getting him hooked up with some new parts, and it'll be back to finish the tune once they're installed! We ended up making 655hp and 718 ft lbs of torque on our first run! Should easily see 700+ once we get fueling lined out and add some more timing!

Dynocom Industries
Edelbrock Performance
InjectorExperts
Fuel Injector Clinic
Kooks Headers and Exhaust
Chevrolet Performance
HP Tuners
Racetronix

*We now require 50% of your dyno fees as a deposit at the time of scheduling to secure your spot.*

DM our page or
Call (567) 220 6475 - Office Land Line
Text or Call (567) 201 1090 Mobile Shop Phone to get scheduled!

Second car of the day, we had a 2006 Pontiac GTO on the rollers. This LS2 has a summit racing camshaft, vararam cold air...
07/23/2026

Second car of the day, we had a 2006 Pontiac GTO on the rollers. This LS2 has a summit racing camshaft, vararam cold air intake, full exhaust system, and some 93 octane in the tank. We got the E40 ecm all dialed in, and we ended up making a stout 460hp and 454ft lbs of torque to the wheels.

Dynocom Industries
InjectorExperts
HP Tuners
Speed Engineering
FTI Performance
Summit Racing Equipment

*We now require 50% of your dyno fees as a deposit at the time of scheduling to secure your spot.*

DM our page or
Call (567) 220 6475 - Office Land Line
Text or Call (567) 201 1090 Mobile Shop Phone to get scheduled!

Address

249 N Washington Street
Tiffin, OH
44883

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+15672206475

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