Independently
Operated

1.8T Swaps · ECU Tuning · VAG Diagnostics

Put
Boost
In Your
Rabbit.

Turbo Rabbits is the home of AR Engine — a Kalamazoo workshop pulling old Volkswagens into the boosted era, one swap at a time. Real builds. Real tunes. No forum hand-waving.

Get the Free Guide Shop Services →

Peak Tested18 PSIon Roger

The Unveiling

The 1.8T Swap Guide — free, and built in the shop.

Every write-up online skips the part where the wires melt, the cam sensor throws codes for no reason, and the battery ground turns out to be the whole problem. This guide is the opposite of that.

Written from scratch during the Rabbit Cabriolet build. Real part numbers. Real mistakes. Real fixes. No affiliate links, no paywalls.

Harness routing & grounding done right the first time
ME7.5 immobilizer + cluster pairing, step by step
Cooling math: Cruze radiator, dual fan setup, actual temps
Fueling & tuning targets for 18–22 psi daily-driver builds
The mistakes that cost me a weekend so they don't cost you one

Vol. 01 · Shop Edition

The 1.8T
Swap Guide

"How to put ME7.5 boost in an old Rabbit without setting it on fire."

Turbo Rabbits AR ENGINE

§ The Work

What the shop does.

AR Engine is a European vehicle specialty shop with a narrow focus and deep benches on the VAG platform. If it runs Motronic, Simos, or EDC, we're interested. If it's got a 1.8T bolted to something weird, we're really interested.

№ 01

1.8T & VR6 Swaps

Full engine conversions into MK1, MK2, MK3, and non-traditional chassis. Harness rebuilds, mounts, cooling, fueling — the whole package, start to key-turn.

→ From teardown to track

№ 02

ECU Tuning

ME7.5 and ME5.9 tuning on Eurodyne Maestro 7, NefMoto, and MPPS. Pump gas, E85, water-meth supported. Custom files, not canned maps.

→ Dialed for your hardware

№ 03

EEPROM & Immo

Immobilizer matching, cluster/ECU pairing, immo deletes, checksum correction, and boot-mode recovery for bricked modules.

→ We read the chip, not guess

№ 04

Diagnostics

VCDS, custom KWP2000 tooling, and enough ME7.5 hours to know when the code is lying to you. We find the actual cause.

→ $100/hr, honest clock

№ 05

Track & Race Prep

Land-speed, autocross, and track-day prep. Big brakes, LSDs, rod bearings, and the tuning to survive it. Shakedown included.

→ 157 mph & climbing

№ 06

General VAG Repair

When it's not a build — Haldex faults, coolant flanges, sensor chases, clutch jobs. We also see the occasional Honda. No judgment.

→ Real-world service

§ The Shop

Built
from scratch.

FoundedJan 2020

LocationKalamazoo, MI

Rate$100 / hr

FocusVAG Platform

CrewSmall & Sharp

Cars BuiltMore than counted

AR Engine started the day the rest of life finally got out of the way. January 13, 2020 — a line in the sand, then a shop floor, then customers, then cars that needed to be somewhere on a Saturday.

The work is specific: VAG platforms, 1.8T and VR6 swaps, ME7.5 tuning, and the occasional obscure chassis that everyone else said "no" to. Every build on the lift has a reason to be there, and the owner knows it by name before we pull a bolt.

Turbo Rabbits is the name on the door because it's easier to remember — and because old Rabbits are how a lot of this started. The guide is the map. The shop is the destination.

§ Get In Touch

Got a project?

Builds, tunes, diagnostics, or just a weird idea you can't shake — send it over. We read every message and we'll tell you straight if it's in our wheelhouse.

AR Engine Kalamazoo, Michigan
By appointment
shop@turborabbits.com

Work Order№ 0001

DateTBD

Before you write:

A quick outline saves both of us an hour. Tell us:

Year, chassis, engine code
What's in it now / what you want in it
Track goals, daily goals, both
Rough budget window
Timeline, if any

Send it over →

Put Boost In Your Rabbit.