Harp Attack

Harp Attack

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Audi engine swaps are my thing.

04/13/2026

I know you didn’t ask but the V10 B8 MLB firmware conversion is going well. No more screaming dash (don’t mind the oil level warning, still working on that).

I was so ready to give up on this car and this swap but two of you think it’s cool so I’ll keep going.

04/08/2026

I’m planning to release more Audi swap related parts in the coming months. I have a decent assortment already, covering a few different swaps and chassis but I’m curious what parts you guys think are missing from this fairly niche market.
Let me know in the comments. 😎

04/04/2026

Guys. We did it. Without a CAN converter. 🤯

04/02/2026

Now that “hey AI make my car look crashed” day is over…

04/01/2026

No “gotcha” post for April fools day, but here’s a V10 in a B8.
If you believe in that sorta thing. 🤔

Photos from Harp Attack's post 03/31/2026

Working on getting a storefront set up but until then just DM to purchase.

B7 RS4 crank sensor with billet adapter for 01E/01A $125.
B8/B8.5 4.0t radiator supports for S6/S7 radiator $85/set.
3.0t/4.0t pedal adapter for B5/6/7 or C5 swap $130 with pedal and new connector.

I’ll have more items to share once the storefront is ready.

Photos from Harp Attack's post 03/26/2026

A curious mind will never be bored.

03/23/2026

Your car only looks cool with the hood shut.
Mine only looks cool with the hood open.
We are not the same. 😤

Photos from Harp Attack's post 03/16/2026

B5 SwapBox

The goal: one plug-and-play device that can handle nearly everything needed for B5 instrument cluster and engine/transmission swaps.

Current features:
• VAG CAN generation message translation
• Checksum and padding byte handling
• Analog/digital to CAN conversion, and vice versa
• G266 oil level and temperature sensor emulation
• Speedometer correction
• ABS to VSS conversion
• B5 cluster bench testing
• Web interface for settings and controls

Still plenty of testing and development ahead, but more feature breakdowns are coming soon.

Planned features:
• FIS display integration with custom logo
• Cruise control and FIS stalk integration
• Gear display integration based on RPM and speed

03/06/2026

New plan. Everything still for sale. Except this one.
Side note: my 4.0t b5 partout is bringing at least 3 more 4.0t B5/6/7 cars into the world so that’s pretty cool!

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Waterloo, IA
50703