So, you’re looking to enhance your import tuner? Great! Building a personalized import tuner starts with a solid foundation. Don’t get caught up in fads. While a Honda might be a popular choice, consider its limitations, such as marginal low-end torque and front-wheel drive, which caps power potential.
For serious speed, opt for a rear- or all-wheel-drive car. Overpowered front-wheel-drive cars suffer in handling and overall driving experience. Consider cars like the Mazda Miata, Toyota MR2, or Nissan 350Z.
Always remember: lighter is better. Reducing mass improves acceleration, braking, and handling. A lighter starting point amplifies the impact of every modification.
Now, let’s dive into the upgrades:
The single most impactful upgrade is a turbocharger. It forces more air into the engine, boosting horsepower and torque. After installing a turbocharger, fortify your engine before worrying about intake and exhaust modifications like cams, headers, air filters, and mufflers.
When it comes to suspension, choose shocks that match the aggressiveness of your springs to avoid constantly hitting bump stops. Avoid cutting your springs.
Bigger wheels improve handling but can compromise ride quality, increase unsprung mass, and increase the risk of pothole damage. Stick to wheel diameters in the teens and tire aspect ratios of 40 or higher.
For tires, avoid low-performance all-season tires (marked “M+S”). Instead, choose tires with a speed rating of H (130 mph) or higher.
When upgrading brakes, focus on improving their effectiveness rather than just increasing rotor size. Consider swapping rear drum brakes for discs or solid discs for vented ones for better cooling. Brembo is a popular aftermarket brand.
Installing new gears or a final-drive ratio can boost torque and responsiveness at the expense of fuel economy, increased noise, and lower top speed.
If you desire more low-speed muscle, a bigger engine is the solution. Power and torque are related but distinct. Engine tweaks won’t replace displacement.
Unless you have a rear-drive car and drive at high speeds, avoid spoilers, especially wings. At low to medium speeds, they create drag and can be counterproductive on front-wheel-drive cars, leading to understeer. Spoilers attached to the body improve airflow and offer slight benefits.