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The Iso Motor Company of Milan produced 412 Iso Grifos between 1963 and 1974. Giorgio Giugiaro of Bertone designed the body and Giotto Bizzarrini, create of the Ferrari GTO, engineered it. This was one of 17 units built as transitional models in that it was a Series II Model with covered headlights and it retained the Chevrolet Corvette V-8 engine. Later Series II Models were equipped with the 351 cubic inch Ford engine requiring a raised hood section.
ISO Motor Company of Bresso, Italy produced 412 ISO Grifos between 1963 and 1974.
Giorgio Givgiaro of Bertone designed the body and Giotto Bizzarrini, creator of the Ferrari 250 GTO, engineered the car.
This is 1 of 17 examples built as a transitional model in that it was a series II with covered headlights and still retained the Chevrolet Corvette 350 V-8 engine. Later series II models were equipped with the Ford 351 cubic-inch engine requiring a raised hood section.
Giorgio Givgiaro of Bertone designed the body and Giotto Bizzarrini, creator of the Ferrari 250 GTO, engineered the car.
This is 1 of 17 examples built as a transitional model in that it was a series II with covered headlights and still retained the Chevrolet Corvette 350 V-8 engine. Later series II models were equipped with the Ford 351 cubic-inch engine requiring a raised hood section.
In 1962, the Milan car manufacturer ISO introduced its second model, the Grifo. The first was the Rivolta. Giorgio Giugiaro of Bertone designed the body and Giotto Bizzarrini, creator of the Ferrari GTO, engineered it. The Grifo was powered by a Chevrolet 5.3 liter V8 and sat atop a shortened Rivolta platform. The engine was placed in the front and drove the rear transaxle. The Borg-Warner T4 4-speed manual gearbox lacked overdrive, a problem that would cause it problems in future endurance racing. At speeds, the driver had to back off the accelerator pedal to help preserve the life of the engine. With over 400 horsepower from the GM small-block and a weighing less than 2200 pounds, the vehicle was able to achieve 190 miles-per-hour.
The Grifo was sportier than its predecessor and was available in two version, luxury and sport. The luxurious Grifo was dubbed the A3/L while the sportier version received the title A3/C. Iso produced the Grifo A3/L while Bizzarrini developed the A3/C.
In 1964 it was entered in the 12 Hours of Sebring as well as the grueling and fiercely competitive 24 Hours of Le Mans race. During its racing career it would capture a fourth overall but first in class victory at Le Mans.
During the production lifespan of the Grifo, around 22 versions of the A3/C were constructed. Due to disagreements, Bizzarrini and Rivolta parted ways in 1965. A deal was struck where Bizzarrini could still produce the Grifo A3/C cars but was unable to use the name. The new name was the Bizzarrini 5300 GT and American GT.
In 1968, a 6998 cc V8 engine became available and was later modified to 7443 cc.
The Grifo was sportier than its predecessor and was available in two version, luxury and sport. The luxurious Grifo was dubbed the A3/L while the sportier version received the title A3/C. Iso produced the Grifo A3/L while Bizzarrini developed the A3/C.
In 1964 it was entered in the 12 Hours of Sebring as well as the grueling and fiercely competitive 24 Hours of Le Mans race. During its racing career it would capture a fourth overall but first in class victory at Le Mans.
During the production lifespan of the Grifo, around 22 versions of the A3/C were constructed. Due to disagreements, Bizzarrini and Rivolta parted ways in 1965. A deal was struck where Bizzarrini could still produce the Grifo A3/C cars but was unable to use the name. The new name was the Bizzarrini 5300 GT and American GT.
In 1968, a 6998 cc V8 engine became available and was later modified to 7443 cc.
1971 ISO Grifo Series II |
|
| Year | 1971 |
| Make | ISO |
| Model | Grifo Series II |
| Body Style | GL Coupe |
| Engine Location | Front |
| Drive Type | Rear Wheel |
| Body / Chassis | Steel body on steel frame |
| Production Years for Series | 1964 - 1974 |
| Body Designer | Giorgetto Giugiaro |
| Price | $13,448.00 |
| Weight | 2826 lbs | 1281.9 kg |
| Combined MPG | 0.00 |
| Chassis / Engine Numbers Shown | |
| Chassis Number | 351 |
| Chassis Number | GL 130348 |
| Engine | |
| Engine Configuration | V |
| Cylinders | 8 |
| Engine | Cast |
| Aspiration/Induction | Normal |
| Displacement | 327.00 CU IN. | 5359.5 cc. | 5.4 L. |
| Valvetrain | OHV |
| Horsepower | 350.00 BHP (257.6 KW) @ 5800.00 RPM |
| Torque | 360.00 Ft-Lbs (488.2 NM) @ 3600.00 RPM |
| HP to Weight Ratio | 8.1 LB / HP (Vehicles with similar ratio) |
| HP / Liter | 64.8 BHP / Liter |
| Compression Ratio | 11.0:1 |
| Main Bearings | 5 |
| Fuel Type | Gasoline - Petrol |
| Fuel Feed | Carburetor |
| Carter 4-barrel carburetor | |
| Block | Cast-iron |
| Head | Cast-iron |
| Vehicles with similar horsepower and weight | |
| Standard Transmission | |
| Gears | 4 |
| Transmission | Manual |
| Borg Warner T-10 | |
| Final Drive | 2.88:1 |
| Optional Transmission | |
| Gears | 3 |
| Transmission | Automatic |
| Powerglide | |
| Optional Transmission | |
| Gears | 5 |
| Transmission | Manual |
| ZF | |
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Automobile information, history, and statistics from concept to production. | © 1998-2008 Conceptcarz.com
Automobile information, history, and statistics from concept to production. | © 1998-2008 Conceptcarz.com