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R&R Developments

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Our work

24 builds and 129+ photos — Spitronics fitments, road tunes and rewires on everything from a W202 C200 to an LS2 rally car.

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Corvette C4 Zr1 Spitronics
Fitment 12

Spitronics Saturn

Corvette ZR1 C4

A Spitronics Saturn fitted to a C4 Corvette, keeping the factory distributor hall pickup for the crank signal.

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Corolla Lexus Turbo
Tuning 1

Spitronics

Corolla 1UZ Turbo

A stock 1UZ turbo built by MXM Racing — 7.7 seconds over the 1/8 mile on only 0.2 bar of boost.

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Chev LS2 Spitronics Mercury 2
Fitment 9

Spitronics Mercury 2

LS2 Rally Car

Mercury 2 management on an LS2-powered rally car, including ignition retard on upshifts for the sequential box.

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Porsche 911 sc Spitronics Tuning
Tuning 5

Spitronics Mercury

Porsche 911 SC

A beautiful 911 SC flat-six running a Spitronics Mercury ECU.

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Chev Deluxe 3uz Spitronics
Fitment 6

Spitronics Mercury 2 (ECU + TCU) with Proxima

Chev Deluxe 3UZ V8

A classic Deluxe with a 3UZ VVTi and 6-speed auto — Mercury 2 on the engine and on the gearbox.

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Spitronics Orion2
Fitment 9

Spitronics Orion 2

Land Cruiser 4.5 Turbo

An Orion 2 on a turbocharged 4500 EFI Land Cruiser, with the harness heat-shrunk from plug to plug.

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Mazda Drifter Lexus v8 Spitronics Tuning
Tuning 3

Spitronics Titan ECU & TCU

Mazda Drifter 1UZ V8

A Drifter bakkie with a 1UZ V8 and Lexus auto, both run by Titan units.

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Opel Astra Turbo Spitronics Tune
Tuning 3

Spitronics Saturn

Opel Astra Turbo

A 2-litre Astra Turbo on bigger injectors and a Spitronics Saturn.

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Golf ITBS Spitronics
Tuning 2

Spitronics

Golf 2.0 ITBs

A built Golf on individual throttle bodies, tuned purely off throttle position with a 3D matrix map.

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BMW WAGON M50 Turbo Spitronics
Tuning 4

Spitronics Orion

BMW M50 Wagon Turbo

A fully built turbo M50 in a BMW wagon, on a Spitronics Orion.

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Suzuki Jimny Turbo Spitronics Orion
Tuning 2

Spitronics Orion

Suzuki Jimny Turbo

A Jimny turbo tuned on an Orion — done at the client's own premises.

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Nissan Sentra CA18DE Spitronics Saturn
Tuning 4

Spitronics Saturn

Nissan Sentra CA18DE

A naturally aspirated CA18DE tuned on a Spitronics Saturn.

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3uz-vvti spitronics mercury 2 ecu
Fitment 7

Spitronics Mercury 2 ECU, TCU & fly-by-wire

Toyota Hilux 3UZ VVTi

The problematic factory Lexus ECU swapped for Mercury 2 engine, gearbox and fly-by-wire control.

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Before Lexus 1uz Vvti Spitronics
Fitment 7

Spitronics Mercury 2 ECU & TCU

Lexus 1UZ VVTi Fitment

Another 1UZ VVTi with endless OEM-computer problems, sorted with Mercury 2 on engine and gearbox.

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Spitronics Orion2 Wiring
Fitment 8

Spitronics Orion 2

Honda Ballade B20

A Ballade with a B20 swap that needed a brain — an Orion 2 now handles fuel and timing.

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Spitronics Mercury
Fitment 6

Spitronics Mercury

Isuzu KB320 V6

A clear example of our wiring workmanship on a KB320 V6.

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Chev Lumina Spitronics
Fitment 3

Spitronics Mercury

Chev Lumina V8

Computer-box problems solved with a Mercury ECU and a custom-built engine harness.

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BMW E30 1uz Spitronics Powered
Fitment 2

Spitronics

BMW E30 1UZ V8

A 1UZ-swapped E30, still on a manual box, fitted and tuned.

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Toyota Corona 3T ITBs
Fitment 4

Spitronics

Toyota Corona 3T ITBs

A built, high-compression 3T on ITBs, moved from another local ECU to Spitronics.

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Spitronics Mercedes C200
Fitment 2

Spitronics

Mercedes C200 (W202)

Rough idle, poor consumption, backfiring and stalling — all gone after a Spitronics fitment.

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Spitronics Wiring
Fitment 2

Spitronics

Mazda BT-50

A problematic factory ECU replaced with Spitronics engine management.

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Nissan Skyline R33 Spitronics
Fitment 6

Spitronics

Nissan Skyline R33

An RB25 turbo Skyline fitted with Spitronics and brought to life.

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BMW e36 Spitronics
Repair & Rewire 18

Spitronics Mercury 2

BMW E36 Lexus V6 Rewire

Endless problems caused by bad Spitronics wiring — see the before and after of the rewire.

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1uz vvti Mercury 2 Rewire — before
Repair & Rewire 4

Spitronics Mercury 2

Lexus 1UZ VVTi Rewire

One look at the original wiring explained every problem. Rewired, retuned and running perfectly.

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Got a build like these?

Fitment, tuning or a wiring nightmare that needs fixing — tell us about your vehicle and we'll get back to you with the next steps.