About Jerry-Rigs

Engineering First. Parts Second.

Jerry-Rigs is built around understanding how a vehicle works, solving the problem in front of it, and verifying changes instead of relying on guesswork.

Why Jerry-Rigs Exists

Jerry-Rigs started from hands-on automotive projects and the need to solve problems that do not always have an off-the-shelf answer. A bracket may need to be redesigned. A calibration may need to be corrected. A modification may need to be tested instead of assumed to work.

The long-term direction is an automotive business built around engineering, performance development, diagnostics, tuning, and custom solutions. The goal is not to bolt on the most parts. The goal is to understand what the car needs, make the change for a reason, and verify the result.

As Jerry-Rigs grows, this site can become a portfolio of project cars, customer work, products, technical case studies, and documented results.

What Automotive Tuning Is

Modern engine and transmission controllers use calibration tables and control strategies to decide how the vehicle responds. Tuning changes selected calibration values so the controller better matches the engine, fuel, airflow, drivetrain, and intended use.

Depending on the vehicle, calibration work can involve fuel delivery, ignition timing, airflow modeling, torque management, throttle behavior, idle control, shift behavior, boost control, rev limits, fan operation, and other strategies.

A good tune is not simply a file that makes more power. It is a controlled process of measuring the vehicle, changing the correct areas, reviewing data, and validating that the result is safe and consistent.

Why Tune a Vehicle

  • Correct calibration after airflow, fueling, exhaust, or forced-induction changes.
  • Improve drivability, throttle response, idle quality, and consistency.
  • Optimize a combination for a specific fuel, hardware setup, or performance goal.
  • Adjust transmission behavior where the controller supports it.
  • Use real data to determine whether a problem is calibration-related or mechanical.

How the Process Should Work

1

Inspect the Starting Point

Know the vehicle, hardware, fuel, current tune, warning lights, and mechanical condition.

2

Collect Useful Data

Scan the channels that actually explain what the engine or transmission is doing.

3

Change One Problem at a Time

Develop the calibration methodically enough that cause and effect remain clear.

4

Validate the Result

Re-log, compare, and verify behavior outside the exact condition that was being tuned.

Have a project in mind?

Start with the vehicle, the current setup, and the problem you want solved.

Request an Appointment