Crazy Tuner

AI Engine Tuning Copilot

AI-assisted log analysis, diagnostics, and tuning guidance for aftermarket EFI and engine management.

Stop wasting hours trying to decode logs or spending thousands on repeated tuner revisions. Crazy Tuner helps you understand what likely happened, what to check next, and how to move forward with more confidence.

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Built for serious DIY builders today, with powerful workflows for shops and tuners.

Analysis

Pull #12 · WOT hit

Ready

Vehicle profile

1969 Camaro

502cid · Holley Dominator · E85

Goal: Street / occasional strip
Last log: pull_20260325.csv

AI-assisted read

Likely issue

Lean spike post-shift

Confidence

78%

Recommended next checks

Verify fuel pressure under load vs. demand
Compare commanded vs. measured lambda around shift event
Inspect transient fuel / accel enrichment tables

ECU platforms

Works with your ecosystem

Crazy Tuner is built around real log formats and workflows. We ship support for leading EFI platforms first, then expand.

Available now

Coming soon

Soon
Soon
Soon
Soon
+ more

We’re integrating more ECUs over time. Join the waitlist to be notified when your platform is supported.

Join the Waitlist

Understand logs faster

Get to the likely issue without digging endlessly.

Reduce guesswork

See what to check, why it matters, and what to change carefully.

Tune with more confidence

Use AI-assisted guidance to make smarter decisions.

Built for DIY and pros

Helpful for capable builders and even more powerful for shops.

The problem is not a lack of data. It is knowing what to do next.

Aftermarket tuning can turn into a cycle of log review, repeated revisions, and expensive trial and error.

DIY builders often know enough to work on their own car, but not enough to always know the next best move with confidence.

Shops and professional tuners often know exactly what they are doing, but still lose time to repetitive log review and manual diagnostics.

Crazy Tuner helps both groups get to better answers faster.

Without Crazy Tuner

— stare at logs
— guess likely causes
— waste time on bad assumptions
— pay for or perform unnecessary revisions

With Crazy Tuner

✓ upload the log
✓ identify likely issues faster
✓ get guided next steps
✓ tune with more confidence

A tuning copilot, not a blind auto-tuner

Crazy Tuner is an AI-assisted platform that looks at your vehicle setup, your goals, and your log data together.

It does not replace your ECU.
It does not recklessly rewrite your tune.
It helps surface likely issues, explain what to check next, and recommend careful next moves with reasoning.

Reads the log

Uses the data your setup already produces.

Understands the build

Considers engine, fuel system, drivetrain, and intended use.

Guides the next move

Shows what likely happened, why it matters, and what to check next.

Workflow

How Crazy Tuner works

Four clear steps — from a structured profile to AI-assisted log review. No guesswork about what happens next.

1

Build your vehicle profile

You: Enter engine, ECU, fuel system, drivetrain, and how you use the car.

Crazy Tuner: The copilot uses this context so suggestions match your hardware — not a generic tune.
2

Upload your log

You: Drop in a supported ECU export or data log from your session.

Crazy Tuner: We parse channels your system already recorded so analysis lines up with reality.
3

Review AI-assisted diagnostics

You: Read the report: likely causes, confidence, and what to verify on the car or in software.

Crazy Tuner: You stay in control — we surface patterns and next checks, not blind table rewrites.
4

Tune with more clarity

You: Apply changes carefully, re-log, and iterate — or hand the same clarity to your shop.

Crazy Tuner: Less time stuck in logs, more time on decisions that actually move the tune forward.

Built for two types of users

DIY

DIY Builders

For capable enthusiasts who want guidance, diagnostics clarity, and smarter recommendation support without paying for endless revisions.

Explore DIY Builders

Pro

Shops & Tuners

For professionals who want faster log triage, less repetitive diagnostics, and a more efficient tuning workflow.

Explore Shops & Tuners

Built to help you tune smarter, not recklessly

Crazy Tuner is designed to improve decision-making, not blindly make risky changes.

Confidence-based recommendations
Hardware-verification prompts
Clear next-step guidance
Escalation when expert review is needed
Human judgment stays in the loop

More performance applications are coming

Crazy Tuner is starting with a focused launch and expanding into broader performance workflows over time.

Waiting on a specific ECU? Use the waitlist under Works with your ecosystem above to get notified when we ship support for your platform.

Pricing built for how people actually use the product

DIY

Flexible options for builders who may use the platform heavily during tuning phases.

Pro

Workflow pricing for shops and tuners who use it year-round.

View Pricing

FAQ preview

What is Crazy Tuner?: An AI-assisted copilot for aftermarket EFI that helps you read logs, narrow causes, and decide what to verify next.
Is it for DIY or professionals?: Both — tuned messaging for builders and throughput-focused workflows for shops.
Does it replace a tuner?: No. It accelerates clarity and diagnostics; expertise stays in the loop.
Is it automatic tuning?: No. Recommendations are explained and confidence-scored — not blind table rewrites.

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Stop wasting time on guesswork

Crazy Tuner helps builders and professional tuners understand logs faster, diagnose issues more clearly, and make better decisions with more confidence.

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