H.O.CPerformance Tuning
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H.O.C Performance Opel Kadett race car in the pits

Real power, mapped by hand in Cape Town

Dyno & road tuning, management systems, turbo conversions and Opel spares — over a decade of builds out of Mitchells Plain.

4.6★
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R1 200
Dyno special
Opel & VW
Specialists

What we do

Everything is done in-house — diagnostics, fabrication, mapping and testing on our own dyno.

Dyno Tuning Special

R1 200

Full dyno tuning session to dial in power, torque and throttle response for your build.

Standalone ECU Tuning

from R1 200

Mapping for Dicktator, Haltech, BlueArc, FuelTech, Sustech and ECU Masters systems.

Power Runs

R150 / 2 runs

Strap your car down and see real numbers — two dyno pulls to measure power output.

Diagnostic Tests

R200

Full diagnostic scan and health check to find faults before they cost you more.

Engine Rebuilds

from R3 500 labour

Strip, inspect and rebuild engines in-house — built strong for boost or daily reliability.

Clutch Replacement

R2 500 labour

Clutch and flywheel replacement done right, from daily drivers to performance builds.

Major Service

from R1 550

Parts and labour included — wheel bearing press-fit from R150.

Cylinder Head Reconditioning

from R950

Skimming, valve work, porting and full head reconditioning for Opel and VW builds.

Management System Supply & Fit

from R6 500

Standalone management system supplied, fitted and tuned to suit your engine setup.

Coil Pack Cars — Fit & Tune

from R3 500

Wired-in coil pack conversions with mapping for stronger spark and cleaner idle.

Turbo Conversions

on quote

Full turbo conversions, fabrication and fuelling setup built to handle the power you're after.

Opel Spares & Repairs

on quote

Mechanical repairs, diagnostics and a deep stock of Opel spares from a workshop that lives them.

From the workshop

H.O.C Performance Opel Kadett race car at the trackVW Golf strapped down on the dyno inside the H.O.C workshopH.O.C Performance branded Opel Kadett on slicksThree reworked cylinder heads on the workshop benchFreshly machined performance cylinder head

Book your slot

Send us your car details and what you're chasing — we'll come back with a price.

Address:
Unit i15, Alpha Hive, Alpha St, Mitchells Plain, Cape Town, 7785

Opening hours

  • Monday – Friday9:00 – 17:00
  • Saturday9:00 – 13:00
  • SundayClosed
Get directions →
Get a Quote · 076 465 2372