Tuning Jobs

Recent work and results.

Examples of recent tuning and LS swap calibration work.

Midgard Industries provides LS swap tuning and EFI calibration for Holley, ACES, and GM factory ECUs in Tyler, Longview, Gilmer, and surrounding East Texas cities, plus remote support nationwide.

Mail Order Base Tune 2026
Mail Order Base Tune

Mail Order Base Tune

Got another batch of LS ECUs in for mail-in base tuning — working through these tonight and getting them ready to head back to their owners.

Mail-in base tuning for P01 and P59 ECUs. Send us your ECU and we'll get it programmed and back on its way to you. Startup, idle, base calibration, drivability tune.

  • Stock and cammed combinations
  • Manual transmission swap setups
  • Injector changes + fan settings
  • VATS removal

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LS Swap HP Tuners 2026
1964 Chevy C10 6.0 LS with HP Tuners

1964 Chevy C10 6.0 LS with HP Tuners

Classic C10 swapped with a 6.0L LS and 4L60E, tuned through HP Tuners for street-friendly drivability. Startup, idle, base calibration, and drivability tune.

  • Stable idle + clean tip-in
  • Part-throttle fuel + spark refinement
  • Full throttle fuel + spark refinement
  • 4L60E shift scheduling + TCC lockup

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Bracket Car with Aces EFI 2026
S-10 Blazer 6.2 LS Swap

1984 S-10 Blazer 6.2 LS Swap with Aces EFI

6.0 LS gen3 bored out to 6.2, rec port heads, ls3 intake, 50lb injectors, TH400 with brake and 4k stall and 4.10 QP 9in with 28in tires running Aces EFI. Startup, fans, base calibration, drivability and track tune.

  • Stable idle + clean tip-in
  • Part-throttle fuel + spark refinement
  • Full throttle fuel + spark refinement
  • Track-tune verification at the strip

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Gas Mileage Tune 2026
2012 Tahoe PPV 5.3 gas mileage tune with HP Tuners

2012 Tahoe PPV Gas Mileage Tune with HP Tuners

2012 Tahoe PPV 5.3 with the stock motor, tuned with HP Tuners to smooth out drivability and chase better highway fuel economy. Startup, idle, base calibration, and cruise tuning.

  • Stable idle + clean tip-in
  • Part-throttle fuel + spark refinement
  • Full throttle fuel + spark refinement
  • Cruise + economy fuel trim tuning
  • Smooth throttle tip-in for daily driving

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LS Swap Aces EFI 2025
1978 GMC Squarebody 5.3 LS with Aces EFI

1978 GMC Squarebody 5.3 LS with Aces EFI

5.3 LS with Summit towing cam and TBSS intake, DBC, speed-density, 36 lb injectors, TH350. Startup, fans, base calibration and drivability tune.

  • Stable idle + clean tip-in
  • Part-throttle fuel + spark refinement
  • Full throttle fuel + spark refinement
  • Speed-density calibration dial-in

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Mercruiser 5.7 EFI Swap 2026
Mercruiser 5.7 EFI Swap

2000 Galaxy Mercruiser 5.7 EFI Swap

Mercruiser 5.7 carbureted engine converted to EFI with Aces EFI, bringing modern fuel injection control to a classic marine powerplant. Startup, idle, base calibration, and cruise tuning.

  • Stable idle + clean tip-in
  • Part-throttle fuel + spark refinement
  • Fan + warm-up calibration
  • Cruise tuning

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LS Swap HP Tuners 2026
1998 Chevy Astro 6.0 LS swap with HP Tuners tuning

1998 Chevy Astro LS Swap with HP Tuners

1998 Chevy Astro LS swap 6.0 LS, summit big torquer cam, 4L80E, 4X4, 2800 converter, 4.10 gears, 31in tires, TBSS intake, 50 lb injectors with HP Tuners. Startup, idle, base calibration, cruise tuning, drivability tune.

  • Stable idle + clean tip-in
  • Part-throttle fuel + spark refinement
  • Full throttle fuel + spark refinement
  • Optimize gas mileage
  • Drivability tune

Learn about our HP Tuners LS swap calibration · Follow us on Facebook