1. Budget: How much are you willing to spend on the project? This will significantly impact the car you choose.
2. Purpose: What will you be using the car for? Daily driving, track days, drag racing, off-roading, etc.?
3. Desired outcome: Do you want a powerful car, a stylish car, or a unique car?
Here are some general car suggestions based on common "soup-up" categories:
Budget-Friendly:
* Honda Civic (1992-2000): A classic platform that's easy to work on and has tons of aftermarket support.
* Mazda Miata (NA or NB): Lightweight and fun to drive, the Miata is perfect for handling upgrades.
* Ford Mustang (Foxbody): A great option for V8 swaps and classic muscle car looks.
* Toyota Corolla (AE86): A cult-classic that's loved for its rear-wheel drive and drift potential.
Performance Focused:
* Subaru WRX/STI: Known for their turbocharged boxer engines and rally heritage.
* Mitsubishi Lancer Evolution: A direct competitor to the WRX, with its own unique performance.
* Nissan 240SX (S13/S14): A popular choice for drifting and handling upgrades.
* Honda S2000: A high-revving, naturally aspirated roadster with a great reputation.
Unique and Stylish:
* Volkswagen Beetle (classic): Perfect for retro styling and engine swaps.
* Chevrolet Camaro (1967-1969): Iconic muscle car with tons of aftermarket options.
* Ford Mustang (1965-1973): Another classic muscle car with endless customization possibilities.
* Nissan 350Z/370Z: Stylish and powerful coupes with potential for tuning.
Once you tell me your budget, purpose, and desired outcome, I can give you more specific recommendations.
Remember, the best car to "soup up" is the one that excites you and fits your goals!