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DIY: MAF breakout

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Old Apr 3, 2026 | 09:42 AM
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Default DIY: MAF breakout

I’ve been running an LS3 MAF on my C8 for quite some time now. I’m often asked how I handled the LIN communication used by the factory C8 MAF, since it’s no longer as straightforward as it was back in the C7 days. There are some MAF breakout options out there, but I was never a fan of their limitations. So I decided to build my own breakout using a simple microcontroller.

Since I enjoy DIY projects and sharing how‑to information, I’ve put everything on GitHub, including the PCB designs, source code, and required parts. I know this won’t be for everyone, but it’s still nice to have the information out there for those who need it.

https://github.com/nuriC0/GM-LIN-MAF-breakout

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Old Apr 3, 2026 | 10:05 AM
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keep up the good work and crack those ECM's
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Old Apr 3, 2026 | 12:08 PM
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what is the benefit of running a ls3 MAF
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Old Apr 3, 2026 | 07:21 PM
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Originally Posted by c5racr1
what is the benefit of running a ls3 MAF

It depends on the application. This is primarily aimed at boosted setups, where improved resolution is beneficial. more traditional upwards scale to 15,000Hz and better way to manage that 512 g/s limit in stock ECU.

Last edited by Osman; Apr 4, 2026 at 10:09 AM.
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Old Apr 5, 2026 | 11:43 AM
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Very nice design!
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