Location: 608 Augustana Ave Unit 103, Harrisburg SD
+605.681.6787
jeremy@intperform.com

Services





Tuning Services

We specialize in using HPtuners as well as all platforms running Holly Terminator / Dominator / Sniper EFI, Microsquirt / Megasquirt, Speeduino, and all modern Haltech systems. But we are willing to work with just about any other aftermarket engine management setup. HPtuners has begun adding support for other platforms as well so make sure you take a look at the supported vehicle list. Most people opt to have us use our HPtuners cable and licensing but if you already have your own that works too! We are flexible and are willing to show up and flash your vehicle to get it running at your shop if needed and also offer out of vehicle computer flashing services (see below). Most tunes involve in car driving down the road to get real world data and fix real world issues that might not show up on a dyno / be addressed with an off the shelf tune.

Full ECU / Platform listing

  • All GM platforms with HPTuners support including vvt neural nets
  • All Mopar platforms with HPTuners support including vvt neural net platforms. Also have Hemi flex fuel working on most ecus.
  • All Ford Platforms with HPTuners support including flex fuel on most modern ecus
  • Holley Terminator X and X MAX
  • Holley Dominator
  • Holley HP
  • Holley Sniper
  • Holley transmission controllers including the 6l80.
  • Haltech Elite
  • Haltech Nexus
  • Megasquirt
  • Microsquirt
  • Speeduino
  • US Shift Transmission controllers
  • PCS Transmission controllers
  • Hydra Nemesis
  • AEM Infinity
  • Fueltech
  • ECUmaster EMU Black

Some of the engines we have tuned

  • Classic GM v8s to modern supercharged LT engines.
  • Classic Mopar v8s, 5.9 magnum, 8.0l 8.3l 8.4l viper v10, 5.7 6.0 6.1 6.4 hemi.
  • Classic Ford v8s, 4.6 / 4.6 supercharged, 5.0 coyote, supercharged coyote, godzilla 7.3
  • Nissan RB25 RB26 and RB30. SR20DET
  • Toyota 1ZZFE supercharged engines
  • Gm 3.4 3.5 3.6 3.9 3.8 and 3800 supercharged v6 applications.
  • Mazda / Miata 1.6 and 1.8l

Remote Tuning

While we highly encourage you to show up in person we also can help you remotely with many vehicle platforms. Give us a call with specifics so we can come up with a plan that works for you.

Dynojet Tuning

We are now a certified Dynojet tuning partner and can tune your fuel injected motorcycles and powersports equipment. We have a low inertia dyno on site that can handle your bikes with the dyno adapter and other on and off road equipment safely without overloading it!

 

LT based tuning

Many shops shy away from the challenge of the 2014+ direct injected GM V8s. We have dove in head first and calibrate them in house.

 

Fuel Injector Cleaning

We will happily clean and flow your injectors on site!

GM Off-board Tuning

We have the equipment to do base maps on 99-2007 P01 (411) and P59 GM computers out of the car if the situation permits it. This is done on a case by case basis so feel free to contact us and tell us what is going on so we can help.

Custom Flex Fuel Conversions

Development has gone well on our NATIVE P59 flex fuel conversions. Many have claimed to have “Flex fuel enabled” files for cars like the C5 corvette , CTSV1, or 2004 GTO but they either use truck operating system segments that break things like fuel level sensors, gauge clusters, or light up the dashboard with errors. Or they attempt to use the stock file without filling out hidden cold start and timing modifier tables  causing impossible to resolve tuning issues.

We have fixed ALL of these issues.

More info on the Flex Fuel Modification page

Microsquirt Transmission Control

We have done the rare Microsquirt transmission controller setup from start to finish from wiring to tuning. It seems daunting up front but you can control otherwise “uncontrollable” transmissions like the Ford E4OD and pair it up with a Megasquirt engine controller.

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