πŸš— no car yet πŸ’΅ $2500 ECU: LOCKED REP: Civic Bait πŸ”Š off
STEP 1πŸ”Œ BENCH
STEP 2πŸ—ΊοΈ MAPS
STEP 3πŸ“ˆ DYNO
STEP 4πŸ”₯ STREET
EARN🏁 RACE
SPENDπŸ› οΈ SHOP

Flashing Bench

Plug into the OBD port, read and back up the ECU, unlock it for writing, then flash your map.

Bench Log

Quick Presets Golf Mk7 GTI Β· IS20

πŸ›’οΈ Diesel: no spark = no overrun crackle, and the fuel buttons are diesel grades. Set up the πŸ’₯ Hardcut below β€” cut injection at your SVRL and it bangs off the limiter on the Street & in Races, with flames and a cloud of soot.

Power Maps

Boost Target20.0 psi
Stock peak β‰ˆ18 psi.
Ignition Timing (peak Β°)12Β°
More advance = more power, until knock sensors pull KR and your pistons file for divorce.
Lambda Target (Ξ»)0.83
Rich = cool & safe. Lean = power & heat β€” too lean is an expensive "tink."
Fuel
Corn = knock headroom + cooler charge. Also: many gas stations in your future.

πŸŽ† Pops & Bangs overrun / decel

The whole reason you're here. On lift-off the ECU dumps fuel & yanks spark so it lights off in the exhaust. Crank for fireworks β€” but your cats & turbo will glow.

Overrun Fueling35%
Fuel dumped on decel β€” the pop.
Overrun Spark Cut30%
Cut/late spark fires downstream β€” the BANG.
Throttle Plate Hold25%
Keeps air moving β€” crackle duration.
PREDICTED BURBLE INDEX
β€”

β›½ EDC15 Fuel Maps PD Β· mg/stroke

Torque Limiter / Driver's Wish (IQ)56 mg
How much diesel the ECU is allowed to inject per stroke. More IQ = more torque β€” if there's air to burn it and injectors big enough to deliver it (stock PD130 nozzles top out β‰ˆ72 mg).
Smoke Limiter (air : fuel)1:18.5
Caps IQ by measured air. 1:17 is the classic remap value. Lower = more fuel per gram of air = black smoke (cred ↑, Karen ↑, EGT ↑).
Start of Injection (SOI)18Β° BTDC
Advance = more power & cooler EGT, but past ~24Β° it clatters like a bag of spanners and hammers the pistons. Retard = hot & smoky.
Fuel
Premium diesel = higher cetane, a touch more power. Biodiesel = less smoke, a touch less power, smells like chips.

πŸ’₯ Hardcut rev limiter Β· diesel bangs

Diesels don't do overrun pops. The bangs come from a hardcut: at the limiter the ECU slams the injectors shut, then re-opens them late β€” unburnt fuel lights off in the exhaust.

SVRL β€” hardcut RPM4400 rpm
Single value rev limiter: where injection gets cut. Lower = you hit it sooner (louder street, but shift earlier in a race).
Cut / re-open gap (hysteresis)250 rpm
RPM difference between injectors closed and injectors open again. Small gap = fast machine-gun bangs; big gap = slow, deep booms.
Injection angle on re-entry-6Β° (retard)
Retarded injection after the cut fires fuel into the exhaust = bigger bang & flame, and much hotter EGT. Advanced = tame, cooler.
HARDCUT SCORE
β€”

πŸŒ€ EDC15 Boost Maps VNT Β· mbar abs

Boost Target (LDRXN)2500 mbar
Requested boost, absolute pressure.
Single Value Boost Limiter (SVBL)2620 mbar
Hard ceiling. If boost (plus any spike) goes over it β†’ LIMP MODE. Keep it ~50–100 mbar above your target.
N75 Duty (vane control)+0%
Raise it to tame boost spikes on the new map. Too low and the VNT overshoots straight into the SVBL.
IQ DELIVERED
β€”
TORQUE (est.)
β€”
SMOKE
β€”
EGT (est.)
β€”

Dyno Pull

Flash a tune, then pull.
PEAK POWER
β€”
PEAK TORQUE
β€”
KNOCK RETARD
β€”
degrees pulled
EGT
β€”
pre-turbo
RELIABILITY
β€”
BURBLE
β€”
sound score

πŸ”₯ The Street no tune

GTI
850 RPM
N
STREET CRED0
πŸš” KAREN-O-METER0%
πŸ§”
DYNO DAVE
Aight, plug 'er in. Let's wake the neighbors.

Throttle

Hold the loud pedal to climb the revs, then let off β€” the lift is where the magic happens. Spectators tip cash for big bangs.

πŸ“Ÿ Loaded Tune

Nothing flashed yet.

🏁 1/4 Mile β€” Friday Night

SPACE (or the buttons): first press = LAUNCH on green, then tap to SHIFT near redline. Beat the rival's ET to bank the purse. Don't red-light, and don't money-shift a fragile motor.

Pick a rival below.

Opponents

Your Car

Flash a tune first.

🏠 Garage & Dealer $750

Buy cars, then hit Drive to switch. Every car keeps its own turbo, bolt-ons and tune β€” a new ECU needs its own flash.

πŸŒ€ Turbos β€”

Own several, swap for free. Bigger turbo = more top end and more lag. Hybrid needs metal charge pipes; full frame also needs an intercooler and the fuel upgrade (forged internals strongly advised).

πŸ› οΈ Bolt-ons β€”

Fitted to the car you're driving. The catless downpipe is the loudest thing money can buy β€” and the fastest way to meet the local PD.

Parody tuning sim. Real ECU flashing can brick an ECU, overrun fueling genuinely melts cats & turbos, and street racing is a great way to lose your license. Don't tune from a webpage. πŸ”§