Flat Six, Inc.

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Flat Six, Inc. Flat Six, Inc. is a specialty automotive repair and restoration shop. We're focused solely on 911s from 1964-1989.

This car is very fun. What’s not fun is my backlog. I work alone and very much prefer it this way. Therefore, I’ve decid...
09/14/2026

This car is very fun. What’s not fun is my backlog. I work alone and very much prefer it this way. Therefore, I’ve decided I can’t take on more until I get most of the current projects done…and this could be years, honestly.

I will, however, continue to share what I can because I’m usually proud of what I do and people seem to enjoy seeing what “real” Porsche shops do. 🤓

20 years ago I was hired to make this 935 run right. The injection pump was 180 out but I sent it to Gus anyway. The fue...
07/17/2026

20 years ago I was hired to make this 935 run right. The injection pump was 180 out but I sent it to Gus anyway. The fuel pickup was also kinked and clogged with crap. The compression and leak-down was fine, so I adjusted the valves. It still had the forged rockers with lash caps and the rocker shafts had the funky retainers. The whole car was remarkably correct and unmolested.

This particular car is the Kremer K3 prototype and has very cool history. I’m happy to report, after this, it was sold and restored to the original livery.

I can’t explain my haircut and the shirt tucked in with no belt. I have nothing.

935

“Reno Danny’s” short-stroke 3.2 MFI engine is coming together. I’m working on the car build too. He’s been very patient-...
06/24/2026

“Reno Danny’s” short-stroke 3.2 MFI engine is coming together. I’m working on the car build too. He’s been very patient-hopefully it’s worth the wait~

Today marks 25 years in business. Although a hard way to make a living, I still feel it suits me and will keep working u...
03/02/2026

Today marks 25 years in business. Although a hard way to make a living, I still feel it suits me and will keep working until…

Trying this again. Instagram won’t let you edit photos once posted. Do better billionaires. Waiting for spring to tune t...
12/30/2025

Trying this again. Instagram won’t let you edit photos once posted. Do better billionaires. Waiting for spring to tune this one…sounds decent on first start.

300,000 miles on the SC today. I bought it in 2001 with 163k. Drove it home from Seattle and rebuilt the engine, not bec...
10/02/2025

300,000 miles on the SC today. I bought it in 2001 with 163k. Drove it home from Seattle and rebuilt the engine, not because it needed it…I just wanted to. It’s never left me stranded (jinx), still runs great, and I truly still love driving it. It is neither bespoke nor curated in any way. Just an old 911.

One of a few engines I’m wrapping up. A 2.2E..
08/01/2025

One of a few engines I’m wrapping up. A 2.2E..

An original 914-6 engine will now be a 2.5L in S+ trim.
04/15/2025

An original 914-6 engine will now be a 2.5L in S+ trim.

Built this one around 12 years ago and it actually gets driven. 30,000 km so far~
03/12/2025

Built this one around 12 years ago and it actually gets driven. 30,000 km so far~

24 years in business and I can’t say it’s getting any easier, but I guess I wouldn’t change much~
03/03/2025

24 years in business and I can’t say it’s getting any easier, but I guess I wouldn’t change much~

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Shorewood, MN

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