Capital Performance Machining

Capital Performance Machining Providing precision machining services to Canberra and surrounds using Rottler CNC machines.

27/07/2026

One for the blue oval fans!! What a great little motor, off to Smiths Speed Works to get screwed together. No stones left unturned with this one.
-block trued (squared up the bellhousing)
-dowel pins measured to crank centerline
-55mm needle roller cam tunnel
-bronze lifter bushes
-bore/deck/hone
-crank balanced

15/05/2026

Brodix big. What’s not to love about a big block. Had to compare it to a HC410 SBC for size. This thing makes some solid N/A numbers. Got a nice hone job to ensure the rings don’t take a beating to seal up nice.

02/04/2026

The Rottler F69 making my life easier for the install. Single point cutter to finish them to size.

27/03/2026

Forged factory 8 counterweight crank, 3.86 stroke. Will be 390 cubes with a 4.010” bore. Requires a bit of clearancing on number 3 main. Excited to see how these hold up, bang for buck they’re a good thing.

11/03/2026

World products, Merlin II. Wow what a solid block, thick cylinder walls. Destined for a HQ with a pro charger🤘

05/03/2026

I get asked to do this a bit, loctite works too. Some people are spooked after they’ve walked out before and want them pinned. Symptoms are a big drop in oil pressure but no bearing material on the oil.

26/02/2026

The Rottler hone doing its thing chasing taper. It will dwell on the tight spots and short stroke like a champion until it’s happy. You’ll never replicate real running conditions but you do the best you can using a torque plate with the same fasteners and l**e used for assembly.

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Canberra, ACT

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