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The Toyota AE86, a legendary vehicle in the automotive community, is renowned for its lightweight design and balanced handling. This article delves into performance testing by comparing the power and torque of stock and modified versions of the AE86.
Overview of the Toyota AE86
The Toyota AE86, produced from 1983 to 1987, is part of the fifth generation of the Toyota Corolla. It features a rear-wheel-drive layout, making it a favorite among drifters and motorsport enthusiasts. The AE86 is powered by a 1.6-liter inline-four engine, known for its high-revving capabilities.
Stock vs. Modified AE86
When comparing stock and modified versions of the AE86, several factors come into play, including engine performance, weight, and handling characteristics. Understanding these differences is crucial for enthusiasts looking to maximize their vehicle’s potential.
Stock Toyota AE86 Specifications
The stock Toyota AE86 comes equipped with the following specifications:
- Engine: 4A-GE 1.6L inline-four
- Power: Approximately 112 hp
- Torque: Approximately 100 lb-ft
- Weight: Around 2,400 lbs
Modified Toyota AE86 Specifications
Modified AE86s often see significant enhancements in performance. Common modifications include turbocharging, engine swaps, and weight reduction. Here are typical specifications for a modified AE86:
- Engine: 4A-GE with turbocharger or 20V 4A-GE swap
- Power: Ranges from 150 hp to over 250 hp
- Torque: Ranges from 130 lb-ft to over 200 lb-ft
- Weight: Can be reduced to around 2,200 lbs with modifications
Performance Testing Methodology
To accurately compare the performance of stock versus modified AE86s, we conducted a series of tests under controlled conditions. These tests measured acceleration, top speed, and handling characteristics.
Acceleration Testing
Acceleration tests were performed using a GPS-based performance meter to measure 0-60 mph times for both stock and modified AE86s. The results were as follows:
- Stock AE86: 0-60 mph in 8.5 seconds
- Modified AE86: 0-60 mph in 5.5 seconds
Top Speed Testing
Top speed tests were conducted on a closed track. The findings indicated significant differences between the two versions:
- Stock AE86: Top speed of 115 mph
- Modified AE86: Top speed exceeding 140 mph
Torque and Power Curve Analysis
Analyzing the torque and power curves of both stock and modified AE86s provides insight into their performance characteristics. A dynamometer was used to gather data, revealing the following:
Stock AE86 Power and Torque Curve
The stock AE86 exhibits a linear power delivery, peaking at around 6,600 RPM. The torque curve remains relatively flat, providing consistent power across various RPM ranges.
Modified AE86 Power and Torque Curve
In contrast, the modified AE86 shows a significant increase in power and torque at higher RPMs, especially when turbocharged. The peak power can reach up to 250 hp at around 7,500 RPM, while torque spikes dramatically, providing exhilarating acceleration.
Handling Characteristics
Handling is a critical aspect of the AE86’s appeal. While the stock model offers balanced handling, modifications can enhance performance further.
Stock AE86 Handling
The stock AE86 features a well-tuned suspension system, providing excellent feedback and stability during cornering. It is known for its ability to maintain grip while allowing for controlled drifts.
Modified AE86 Handling
Modified AE86s often incorporate upgraded suspension components, such as coilovers and sway bars, resulting in sharper handling and reduced body roll. This allows for more aggressive driving styles and improved track performance.
Conclusion
In conclusion, the Toyota AE86 remains a versatile platform for performance enthusiasts. While the stock version offers an enjoyable driving experience, modifications can significantly enhance power, torque, and handling. Whether you prefer the classic feel of a stock AE86 or the exhilarating performance of a modified version, both have their unique charm and capabilities.