hexandboost

Videos

The work, on camera

Everything here is filmed on my own cars and posted on Instagram at @hexandboost. Each clip has a short note on what it shows.

Turbo Civic on the factory ECU7 videos

First pull at 13.5 psi

The first full-throttle pull at the 13.5 psi target, with boost, mixture and gearshift cuts shown from the log. Not a clean one, and the caption says so.

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Why protection comes first

The story of the engine this car lost early on to runaway boost, and the protections it runs today because of it.

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ECON button controls boost

Honda's ECON button switching between boost levels, plus a hidden EXTREME mode on the cruise stalk.

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The pedal as a torque request

The factory ECU treating the pedal as a request and deciding how to deliver it.

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Boost control, build by build

How boost control on this car went from a first working version to holding its target, shown in logs.

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Boost rising with engine speed

An early test of boost control authority, with boost cut during gearshifts.

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A quick update

A short progress update on the turbo Civic.

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Self-learning4 videos

Self-learning ignition

Ignition timing that learns per cylinder inside the factory ECU, with Honda's own knock control still running underneath as the safety layer.

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Self-learning ignition and fuel tables

The ECU correcting its own maps while the car is driven, and why the limits and fail-safes were built first.

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One cylinder was doing 45% of the knocking

Per-cylinder fuel trims brought one cylinder level with the other three, and idle smoothed out from ±15 to ±9 rpm.

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Per-cylinder fuel offsets

Balancing the four cylinders against each other.

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Electronic wastegate1 video

Wastegate authority and shift quality

Logs showing the electronic wastegate holding boost and the 5-speed automatic shifting cleanly under it.

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Fault codes on the dash2 videos

Fault codes on the factory display

Stored codes shown on the car's own screen, scrolled with RES and SET and cleared with three taps on MAIN. No scanner, no laptop.

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This tach is reading a fault code

The first version: the tachometer needle points at each digit of the stored code, and a scan tool confirms the same codes.

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Paddle shifting and shift cut5 videos

7-speed manual shift on a Civic X CVT

A 1.8 Civic X CVT stepping through seven fixed ratios in S, shifted by hand whenever the driver wants. No hardware changes.

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Paddle shift on a 2012 Civic, no added hardware

The cruise stalk shifting the 5-speed automatic up and down.

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Shift cut switchable from the wheel

Two shift-cut modes chosen from the steering wheel, with the cruise light showing which one is active and the log overlaid.

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Torque reduction during shifts

Cutting torque during a boosted gearchange so the gearbox sees less load while the shift stays fast.

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Paddle shift through all gears

The stalk paddle shift working across every gear.

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Have a car the usual tools cannot touch?

Tell me the car, the engine, the gearbox and what you want it to do. I reply to every serious enquiry.