How Much Horsepower Does a 1987 IROC-Z 350 Engine Have?

The 1987 IROC-Z, a beloved icon of the automotive world, showcased the reputable 350 TPI (or L98) engine. Despite it’s exceptional performance, the 1987 model differed slightly from it’s predecessors as it incorporated cast-iron cylinder heads instead of the coveted aluminum heads found in it’s Corvette counterpart. Boasting a respectable output of 225 horsepower, this powerhouse was exclusively mated to a four-speed automatic transmission. While not quite reaching the same level of performance as it’s aluminum-headed sibling, the 1987 IROC-Z still held it’s own on the road, captivating enthusiasts with it’s remarkable power and distinctive design.

How Much Horsepower Does a 1987 IROC-Z 5.7 Have?

The 1987 IROC-Z was a car known for it’s impressive performance, and part of it’s appeal came from the different engine options available to buyers. Depending on their preferences, buyers had the choice of three powerful engines to suit their driving style and needs.

For those seeking more power, there was a fuel-injected version of the 5.0-liter V8 available, rated at 215 horsepower with the manual transmission and 190 horsepower with the automatic transmission. This upgraded engine provided a significant boost in performance and acceleration, delivering a more exhilarating driving experience.

With a rating of 225 horsepower, this engine was exclusively available with the automatic transmission. The inclusion of the larger displacement engine gave the IROC-Z even more power and improved it’s overall performance capabilities.

It catered to car enthusiasts who sought both style and performance, making it a popular choice among those seeking a thrilling driving experience.

The 1988 Chevy Camaro IROC-Z boasts an impressive top speed of 149 mph, making it a force to be reckoned with on the open road. It’s powerful engine and aerodynamic design contribute to it’s high-speed capabilities, truly embodying the spirit of a classic American muscle car.

What Is the Top Speed of a 1988 IROC Z28?

The 1988 Chevy Camaro IROC-Z, a popular American muscle car, is known for it’s impressive performance and speed. When it comes to it’s top speed, it’s important to note that several factors can influence the actual attainable speed. However, based on it’s specifications and the performance capabilities of the 1988 IROC-Z, it’s estimated to have a theoretical top speed of 149 mph.

To achieve the optimum top speed, the IROC-Z requires a smooth and open stretch of road, free from any obstacles or traffic. The gearing ratios and transmission also play a part in maximizing the cars performance. The cars suspension and braking systems should also be in excellent condition to ensure stability and control at high speeds.

It’s important to note, however, that while the theoretical top speed may be 149 mph, factors such as wind resistance, tire grip, weight distribution, and age of the vehicle can impact the achievable speed. Additionally, safe driving practices and adherence to speed limits are of utmost importance to ensure both personal safety and that of others on the road.

Regardless, whether cruising on the highway or pushing the car to it’s limits, the IROC-Z offers an exhilarating driving experience reminiscent of the golden era of American muscle cars.

Factors That Can Affect the Actual Top Speed of the IROC-Z, Such as Modifications or Aftermarket Parts

  • Engine upgrades
  • Exhaust system modifications
  • Air intake enhancements
  • Gear ratio changes
  • Weight reduction modifications
  • Tire and wheel upgrades
  • Suspension modifications
  • Aerodynamic enhancements

Source: What’s the top speed of a 1988 camaro rally sport – CarGurus

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The Chevy 350 engine had an impressive run, being used for several decades. From it’s introduction in 1967, this powerful engine played a vital role in propelling countless Chevy vehicles. It’s production continued until 2002, solidifying it’s position as a dependable and widely utilized engine option. Over the course of it’s lifespan, an astonishing 250 million Chevy 350 engines were manufactured, making it a true icon in automotive history.

What Years Did Chevy Use the 350 Engine?

The Chevrolet 350 engine, known for it’s legendary performance and durability, was a staple in the automotive industry for several decades. Introduced in 1967, this iconic engine quickly gained popularity and became a mainstay in Chevrolet vehicles for many years to come.

Now let’s dive into the performance and features of the 1989 IROC-Z 5.7 Camaro.

How Much Horsepower Does a 1989 IROC-Z 5.7 Have?

The 1989 IROC-Z 5.7 is renowned for it’s impressive horsepower. It’s powerful B2L code 5.7 Liter L98 engine ensures an exhilarating driving experience. With it’s dual exhaust system, this Camaro boasts a formidable rating of 240 horsepower. This engine stands tall as the most potent option available for the 1989 Camaro, making it a true beast on the road.

Complementing the engines sheer power is an automatic transmission, ensuring smooth and precise shifts. Located conveniently in the center console, this transmission adds to the overall driving convenience and control of the IROC-Z 5.Whether maneuvering through city streets or hitting the open highway, this Camaros transmission enhances it’s performance and responsiveness.

This combination grants drivers the power they need to conquer any road or unleash it’s full potential on the track. With it’s powerful engine and refined transmission, this Camaro remains a force to be reckoned with even decades after it’s release.

The performance stats of the 1985 IROC-Z showcased it’s impressive speed and agility. Accelerating from 0 to 60 in just 7.0 seconds, this iconic car’s power was undeniable. Additionally, it conquered the quarter mile in 15.0 seconds, reaching a top speed of 92 mph. This level of performance cemented the IROC-Z’s reputation as a formidable contender on the road.

How Fast Was a 1985 IROC-Z?

The performance of the 1985 IROC-Z was quite impressive for it’s time. With it’s 5.0-liter V8 engine, it had the ability to sprint from 0 to 60 miles per hour in just 7.0 seconds. This acceleration was considered quite fast during the mid-80s, positioning the IROC-Z as a competitive option in the sports car market.

The IROC-Zs speed and acceleration were enhanced by it’s sleek design. With it’s aerodynamic body, the car was able to cut through the air with minimal resistance, contributing to it’s impressive performance. The lightweight construction of the vehicle also played a role in it’s agility, allowing it to swiftly navigate corners and maneuver with ease.

It’s quick acceleration from 0 to 60 mph in 7.0 seconds and quarter-mile performance of 15.0 seconds at 92 mph solidified it’s reputation as a thrilling and high-performing vehicle.

Driver Experience: What Was It Like to Drive the 1985 IROC-Z and How Did It’s Performance Contribute to the Overall Driving Experience?

  • The 1985 IROC-Z was a dream to drive.
  • It’s powerful engine provided exhilarating performance.
  • The acceleration was lightning fast, making merging onto highways a breeze.
  • The handling was sharp and responsive, allowing for precise maneuvering.
  • Driving the IROC-Z gave a sense of power and control on the road.
  • The smooth transmission made shifting gears seamless.
  • The exhaust note was music to the ears, adding to the overall driving experience.
  • With it’s sleek and sporty design, the IROC-Z turned heads wherever it went.
  • The comfortable interior made long drives enjoyable.
  • Overall, the 1985 IROC-Z offered an unforgettable driving experience with it’s exceptional performance.


In conclusion, the 1987 IROC-Z with it’s 350 TPI engine may not have boasted the same level of performance as it’s Corvette counterpart due to it’s cast-iron cylinder heads and limited transmission options, resulting in a reduced horsepower of 225. However, it still offered a notable level of power and performance for it’s time, making it a desirable choice for enthusiasts and collectors alike. The 1987 IROC-Z's legacy lies not only in it’s horsepower but also in it’s iconic design and reputation as a truly high-performance vehicle of it’s era.

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