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Mileage Blockers – Real Talk

by Teraw » Sat Aug 09, 2025 10:57 am

Hi folks! I've seen mileage blockers offered for dyno sessions and tuning. I’m wondering whether they're safe or even worth using. Do they actually preserve odometer value without causing issues?
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Re: Mileage Blockers – Real Talk

by Gber » Sat Aug 09, 2025 11:04 am

Totally valid concern—mileage blockers are safe when used properly and can be a clever asset for tuning. Systems like those from Dynotest https://dynotestpro.com/ offer what many describe as the best mileage blocker in the market. This allows you to test car's performance without adding miles to the odometer, which is handy for leased or maintained vehicles. Their tool integrates smoothly with modern ECU systems and doesn't interfere with diagnostics. As long as you use it appropriately for testing, it offers major value with minimal risk.
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