Raby's Aircooled Technology

Raby's Aircooled Technology Specializing in fully developed, Aircooled Engines for all vintage Porsche cars. Dedicated to being the best, doing the best and providing the best.

Buit by hand in America, by Americans utilizing American made components made primarily in house at Raby Machine Works. We exceed the expectations of even the most discerning purchasers around the globe with the completion of every project.

Time to assemble another 930 Turbo engine. This one is a big bore for a 1987 930 with our billet heads and all the trick...
07/17/2026

Time to assemble another 930 Turbo engine. This one is a big bore for a 1987 930 with our billet heads and all the tricks.

Small run of RAT billet oil pumps after being 100% machined in house at Raby Machine Works and coated by Calico Coatings...
07/17/2026

Small run of RAT billet oil pumps after being 100% machined in house at Raby Machine Works and coated by Calico Coatings. Each of these has the OD of the housing body machined to exactly fit the engine case they will be married to when the engine is assembled. The factory oil
pump housing bore can vary by as much as .005”, so exact fitment is crucial for proper oil pressure and reduced chances of oil leaks. Another reason why we have become our own manufacturers. Made in USA, all the way!

07/03/2026

Alternative Cylinder Technology Development!

07/01/2026

Another day of punishment for the RAT alternative cylinder technology test engine. Today ambient temps in the test cell are higher than in the past 7 years of testing. 3 hours into today’s 3.5 hour steady state test things are better than expected.

06/25/2026

LIVE PTWA Cylinder Testing from the RAT Dyno

06/25/2026

Made in USA billet engine components by Raby Machine Works are HOT!

LN Engineering and Flat 6 Innovations opened the door to fellow Porsche owner and enthusiast, Tristan Kim, of Donut Medi...
06/24/2026

LN Engineering and Flat 6 Innovations opened the door to fellow Porsche owner and enthusiast, Tristan Kim, of Donut Media. With over 6 million views in a matter of a few days across multiple social media platforms, it looks like more than just a few people are interested in Donut's latest project. Here's a little teaser of what's to come.
https://youtube.com/shorts/of7jK6nVUJQ?si=4ikNQe0JxOHy87Id

The 200HP Raby Porsche 356 bolt- in conversion engine.
06/22/2026

The 200HP Raby Porsche 356 bolt- in conversion engine.

Two engines worth of Raby/ LN Engineering billet 911 cylinder heads. These are ready for a twin plug 3.6L 930 Turbo engi...
06/17/2026

Two engines worth of Raby/ LN Engineering billet 911 cylinder heads. These are ready for a twin plug 3.6L 930 Turbo engine and a 4.1L 993 N/A engine that are next into the clean room.

RAT engine filling the engine bay of a 57 Speedster (non-replica). This one is an older (2270cc) example that’s been in...
06/12/2026

RAT engine filling the engine bay of a 57 Speedster (non-replica). This one is an older (2270cc) example that’s been in service for 12 years with no unscheduled service or repairs.

Address

47 Raby Drive
Cleveland, GA
30528

Opening Hours

Monday 9am - 4:30pm
Tuesday 9am - 4:30pm
Wednesday 9am - 4:30pm
Thursday 9am - 4:30pm
Friday 9am - 4:30pm

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