Stock FAQs

what is the stock engine in an iroc z28?

by Miss Ramona Abbott Published 3 years ago Updated 2 years ago
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The 2.8 L V6 was now the standard engine in the base model, replacing the 2.5 L I-4 model. The 305 TPI LB9 horsepower rating dropped from 215 hp (160 kW) to 190 hp (142 kW) in the IROC-Z models.

Full Answer

What are the specifications of the Camaro IROC-Z?

Browse Car Specifications... With a maximum top speed of 130 mph (209 km/h), a curb weight of 3362 lbs (1525 kgs), the Camaro 3rd-Gen IROC-Z 5.7 V8 has a naturally-aspirated V 8 cylinder engine, Petrol motor. This engine produces a maximum power of 226 PS (223 bhp - 166 kW) at 4000 rpm and a maximum torque of 431.0 Nm (317 lb.ft) at 4000 rpm.

What kind of engine does a Nissan IROC-Z have?

The IROC-Z was available with three engine choices. The base engine was the LG4 5.0-liter V8 with 155 horsepower and 245 lb.-ft- of torque.

What is the history of IROC Z28?

Camaro IROC Z28 History IROC stands for International Race Of Champions, which was a racing series that takes top notch drivers from multiple racing series, and puts them all in identical cars, making it a race of pure skill. From 1975 to 1990 the Chevrolet Camaro was the official car for the IROC racing series.

Why did the IROC-Z lose 25 horsepower?

The most notable change to the IROC-Z was the detuning of the 5.0-liter Tuned Port Injection engine. Due to a camshaft change and emissions regulations, the TPI engine lost a whopping 25 horsepower. It did, however, gain 10 lb.-ft. of torque.

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What engine does an 89 IROC Z have?

Engine manufacturer:GM Chevrolet Small-Block V-8 350Horsepower net:171.5 kW / 233 PS / 230 hp (SAE net)/ 4400Torque net:447 Nm / 330 ft-lb/ 320025 more rows

What motor is in a 87 IROC z28?

Engine manufacturer:GM Chevrolet Small-Block V-8 305What power?Horsepower net:141.5 kW / 192 PS / 190 hp (SAE net)/ 4000Torque net:400 Nm / 295 ft-lb25 more rows

How much horsepower does a 89 IROC Z have?

Production/sales period of cars with this particular specs:mid-year 1988 - mid-year 1989Cylinders alignment:V 8Displacement:5733 cm3 / 349.8 cuiHorsepower net:171.5 kW / 233 PS / 230 hp (SAE net)/ 440039 more rows

How fast is a IROC z28?

Top speed:(theor. without speed governor)233 km/h / 145 mph

What engine came in the IROC-Z?

350 TPI engineThe 350 TPI engine with automatic and 305 TPI with 5-speed manual transmission were available for the first time in the IROC-Z. The new 350 (RPO code L98) was available only in the IROC-Z with an automatic transmission.

How much horsepower does a 1987 IROC Z28 have?

Production/sales period of cars with this particular specs:October 1986 - September 1987Cylinders alignment:V 8Displacement:5733 cm3 / 349.8 cuiHorsepower net:168 kW / 228 PS / 225 hp (SAE net)/ 440039 more rows

How much is a 1989 IROC z28 worth?

**Figure based on a stock 1989 Chevrolet Camaro IROC-Z valued at $20,800 with ON rates with $100/300K liability/UM/UIM limits. Actual costs vary depending on the coverage selected, vehicle condition, province and other factors.

What is the best year for the IROC-Z?

Over the Years In 1985, the original IROC-Z featured top notch specs that were a not only performance driven but eye catching as well. It was considered to be a “Rookie of the Year” winner by numerous auto publications and was featured in Car and Drivers “Ten Best List” in 1985.

How fast is a 1987 IROC-Z?

Top speed:(theor. without speed governor)238 km/h / 148 mph

How much horsepower does a 1986 IROC z28 have?

Engine manufacturer:GM Chevrolet Small-Block V-8 350What power?Horsepower net:164 kW / 223 PS / 220 hp (SAE net)/ 4200Torque net:434 Nm / 320 ft-lb25 more rows

What does the Z in IROC-Z stand for?

International Race of ChampionsFor six years, Chevrolet offered the IROC trim model of the Z/28 (from 1985-1990), which was an acronym for International Race of Champions. The race series had been the brainchild of Roger Penske and was a fixture of ABC's Wide World of Sports.

What does IROC stand for?

International Race of ChampionsIROC stands for International Race of Champions, a competition similar to Nascar. IROC began in 1974 by racing Porsches, but the cost of maintaining them was prohibitive, so the series turned to the Chevy Camaro in 1975.

When did the IROC Z come out?

Chevrolet really turned up the wick on the Camaro in the middle of the decade. The 1985 Camaro IROC-Z arrived to celebrate the car's participation in the International Race of Champions series, which pitted drivers from a variety of different motorsports against each other in near-stock versions of Chevrolet's muscle car.

What is the third generation Camaro?

Overshadowed by the celebrated first and second-gen muscle machines that ran from the late '60s to the early '80s, and then relegated by the high-horsepower fourth-generation cars that appeared in the 1990s, the 3rd gen Camaro has long been the middle child of the family.

Is the 1982 Camaro a Z28?

Seen objectively, however, the 1982-1992 Chevrolet Camaro IROC-Z and Z28 coupes are poised for a comeback. Featuring owner-friendly fuel injection, usable horsepower and torque, and an ultra-deep aftermarket for mods thanks to the presence of Chevy's famed small block V8, the third-generation of the Camaro is perfect for anyone seeking ...

What does IROC Z28 mean?

1. Camaro IROC Z28 History. IROC stands for International Race Of Champions, which was a racing series that takes top notch drivers from multiple racing series, and puts them all in identical cars, making it a race of pure skill. From 1975 to 1990 the Chevrolet Camaro was the official car for the IROC racing series.

How many lugs does an IROC Z have?

The IROC Z is also 5 lug, which means it has a ton of choices when it comes to after market wheels, especially when compared to the 4-lug Fox Body’s. 4. They’re Unique. In the late 80s, IROC Z Camaros and Foxbody Mustangs were just around every corner, street racing from stop light to stop light and cruising around.

How much horsepower does a 350cid have?

The 350cid made 245 horsepower, which is still very lacking by today’s standards, but very respectable for the time period. The IROC Z is choked up mostly by emissions equipment that kills power output. Once all the emissions equipment is deleted (illegal), it can make as much as 280 horsepower for the 350cid engine.

What does the IROC Z represent?

Whether you love or hate the styling of the IROC Z, you’ll probably agree that it’s an interesting design. It represents the Camaros before it but doesn’t really represent Camaros after it. It’s the weird middle child in the Camaro family. The body lines and shape strongly represent the original Camaro, and that’s a great thing considering how good the original Camaro looked. However it’s not a perfect design, the “4-eyed” head lights aren’t that good looking, and the rear wing is a little too small in my opinion.

What year did Chevy drop the Z28?

In 1988 Chevy dropped the Z28 and replaced it with the Camaro IROC Z28. Here are seven good reasons to get your hands on one today. Additional IROC Z28 info. 7. Small Block Chevy. The IROC Z came equipped with either a 305cid or 350cid engine depending on the model.

When did IROC come back?

In 1980, IROC racing ended, it wasn’t brought back until 1984. From 1984 to 1989, IROC chose the “newly” designed Camaro Z/28 as the official race car of the series. Chevrolet decided the celebrate the rebirth of the IROC series by making a commemorative Camaro model inspired by the IROC race cars.

When did IROC racing end?

From 1975 to 1990 the Chevrolet Camaro was the official car for the IROC racing series. That means both the 2nd gen Camaro, and the 3rd gen Camaro are IROC cars. But Chevy of course never made the IROC Z when the 2nd generation Camaro was around. In 1980, IROC racing ended, it wasn’t brought back until 1984.

What engine does the IROC Z have?

The IROC-Z was available with three engine choices. The base engine was the LG4 5.0-liter V8 with 155 horsepower and 245 lb.-ft- of torque. It was available with either a five-speed manual or four-speed automatic transmission.

What is the horsepower of the 1987 IROC Z?

16-inch wheels, which were standard equipment in 1987, were now optional. The standard engine was now the LO3 5.0-liter EFI rated at a paltry 170 horsepower. Power for the other available engines was up slightly.

How much horsepower did the TPI lose?

Due to a camshaft change and emissions regulations, the TPI engine lost a whopping 25 horsepower. It did, however, gain 10 lb.-ft. of torque. Sadly, performance suffered due to the drastic drop in horsepower in the TPI engine. As a result, the automotive press was pretty unforgiving in their reviews.

What generation is the IROC Z?

Trims like the RS, SS, and Z28 span many generations of the Chevrolet Camaro. The IROC-Z is one of the few that was solely produced during a single generation.

How many 1990 Camaros were made?

1990 proved to be a low production year since a six-month production cycle produced roughly 35,000 Camaros. In fact, production of all 1990 Camaros was completed by the end of 1989. Since Chevrolet decided not to renew its contract with the International Race of Champions series, it had to produce all IROC-Zs before the contract expired on January 1, 1990. It was truly the end of an era for one of the most exciting third generation Camaros created.

Where did the Camaro IROC Z come from?

The Camaro IROC-Z got its moniker from the International Race of Champions racing circuit. In IROC races, all cars are identically equipped and the outcome of the race is determined solely by the individual driver’s skill.

Which is better, the IROC Z or the Mustang?

The magazine also declared the IROC-Z was one of the best Camaros ever built. Oh, in case you’re wondering, the IROC-Z was .08 seconds faster than the Mustang from 0 to 60 and .51 seconds faster in the quarter mile. It seems the Mustang’s dominance over the Camaro had come to an end.

When did the IROC Z come out?

That crisp handling and emphasis on ergonomics carried all the way through to 1985 , when Chevrolet debuted the IROC-Z. The same year, Chevrolet had introduced its new Tuned Port Injection, an alternative method of injection, replacing the basic Throttle Body Injection.

What brakes are on an IROC?

The brake setup on IROCs consisted of front and rear disc brakes because when ordering J65 four-wheel discs, one must have ordered the IROC option. To further complicate things, when ordering the J65 brake package, one also had to check off the G92 performance axle or 350 TPI engine.

What does IROC stand for?

It probably goes without saying that "IROC" is an acronym for the International Race of Champions, a series of annual events in which drivers from all forms of motorsports compete against one another in identically prepared cars. IROC drivers had driven race-prepared Camaros since 1974.

Is the Australian version of the 350 stronger than the 10 bolt version?

The Aussie version was considered marginally stronger than the 10-bolt version, but has been known to break and was quite expensive to repair, so many have swapped in a 10-bolt unit. The Australian-built rear end debuted in 1987, and could be ordered with the IROC when the 350 V-8 was ordered.

Can IROC tires be rotated?

One thing to check is the front and rear wheels on a IROC, because they have different offsets, and the rear wheels are different than the fronts, so tires cannot be rotated front-to-back. In 1987, this was the last year GM used the "single indented" 16-inch wheel.

How fast is the Camaro 3rd generation?

With a maximum top speed of 130 mph (209 km/h), a curb weight of 3362 lbs (1525 kgs), the Camaro 3rd-Gen IROC-Z 5.7 V8 has a naturally-aspirated V 8 cylinder engine, Petrol motor.#N#This engine produces a maximum power of 226 PS (223 bhp - 166 kW) at 4000 rpm and a maximum torque of 431.0 Nm (317 lb.ft) at 4000 rpm. The power is transmitted to the road by the rear wheel drive (RWD) with a 5 speed Manual gearbox.#N#On the topic of chassis details responsible for road holding, handling behavior and ride comfort, the Camaro 3rd-Gen has Coil springs. Anti-roll bar. front suspension and Coil springs. Trailing arm. De Dion axle. Anti-roll bar. rear suspension. For stopping power, the Camaro 3rd-Gen IROC-Z 5.7 V8 braking system includes Vented Discs at the front and Discs at the rear.#N#The Camaro 3rd-Gen model is a Coupé car manufactured by Chevrolet, sold new from year 1987.

What year was the Camaro 3rd gen?

For stopping power, the Camaro 3rd-Gen IROC-Z 5.7 V8 braking system includes Vented Discs at the front and Discs at the rear. The Camaro 3rd-Gen model is a Coupé car manufactured by Chevrolet, sold new from year 1987. #N#.

How much did the 1987 IROC Z cost?

Unfortunately, it was available only with an automatic transmission and retailed for $1,045.

Who owns the IROC 87?

This month's feature car, owned by John Bulzacchelli, of Somers New York, was equipped with everything a performance-hungry IROC owner would've desired in '87, including a five-speed manual, rear disc brakes, limited-slip differential, and the performance axle ratio.

What gearbox was used in 1987 IROC?

The automatic used in the IROC was the four-speed 700-R4, while shift-it-yourselfers got the BorgWarner T-5. The T-5 used in 1987 was still the non-World Class gearbox (Chevrolet switched to the World Class in 1988).

How much did Barrett Jackson sell an 89 IROCZ?

In Scottsdale this year, Barrett-Jackson sold an '89 IROCZ with a 350 and 344 original miles for $37,400, while an '85, driven just 6,460 miles from new, went for $26,950. While many, many IROC-Zs have been abused and haphazardly modified, many were stashed away as future collectibles.

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