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A1 Automotive Machine, LLC

A1 Automotive Machine, LLC

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A1 Automotive Machine is a cylinder head crankshaft grinding and engine rebuilding shop

02/26/2026

Line boring on a block surfing/boring machine? Why not. Roughed 8n within .0015 how off to the sunnen hone to bring to final size!

02/21/2026

it's amazing to see how some shop let this pile of s**t put their door, let alone it lasted long enough to need done all over again, this time the correct way!

02/11/2026

Pressure testing the cooling passages ensures the block or cylinder head is sound before assembly. By applying controlled pressure, we can detect cracks or hidden failures and confirm the engine will hold coolant and operate reliably.

Want to screw up the perfect surface finish? Pick the wrong crosshatch angle. In this snippet from EPExpo #2 Lake Speed Jr and Keith Jones of Total Seal Piston Rings talk about why that 45° crosshatch angle might do a pretty good job for most applications, but you really have to change it up based on whether it's a long stroke or short stroke engine. The entire whiteboard session was a great deep dive into the difference between surface finish and crosshatch and what you need to know about how these elements interact with lubrication to boost engine performance. A really informative video for engine builders who want to be in the "Goldilocks Zone" every time. You'll find the complete segment here: https://wp.me/pcnYJ8-3cT #engineperformance #crosshatchangles #lubrication #surfacetreatments #motorsports #carmechanics #performanceengines 09/08/2025

Want to screw up the perfect surface finish? Pick the wrong crosshatch angle. In this snippet from EPExpo #2 Lake Speed Jr and Keith Jones of Total Seal Piston Rings talk about why that 45° crosshatch angle might do a pretty good job for most applications, but you really have to change it up based on whether it's a long stroke or short stroke engine. The entire whiteboard session was a great deep dive into the difference between surface finish and crosshatch and what you need to know about how these elements interact with lubrication to boost engine performance. A really informative video for engine builders who want to be in the "Goldilocks Zone" every time. You'll find the complete segment here: https://wp.me/pcnYJ8-3cT #engineperformance #crosshatchangles #lubrication #surfacetreatments #motorsports #carmechanics #performanceengines

08/24/2025

Big shoutout to C10 Cruise N’ Show Presented by MO C10 Addiction, for always coming through for us on the Engine Raffle! 🏁🛠️

This year’s raffle motor is loaded with P1 Manufacturing studs, because when it comes to strength and reliability, we don’t cut corners.

Built to take a beating and stay locked down. 💪

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Category

Automotive Manufacturing

Telephone

+14178692364

Website

Address


420 S Cloud Avenue
Springfield, MO
65806

Opening Hours

Monday 9am - 5:30pm
Tuesday 9am - 5:30pm
Wednesday 9am - 5:30pm
Thursday 9am - 5:30pm
Friday 9am - 5:30pm