1971 AC 428 vs. 1963 Holden EJ
To start off, 1971 AC 428 is newer by 8 year(s). Which means there will be less support and parts availability for 1963 Holden EJ. In addition, the cost of maintenance, including insurance, on 1963 Holden EJ would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 234 more horse power than 1963 Holden EJ. (64 HP @ 4200 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1963 Holden EJ. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 296 kg more than 1963 Holden EJ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1971 AC 428 (639 Nm @ 2800 RPM) has 476 more torque (in Nm) than 1963 Holden EJ. (163 Nm @ 1400 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1963 Holden EJ.
Compare all specifications:
| 1971 AC 428 | 1963 Holden EJ | |
| Make | AC | Holden |
| Model | 428 | EJ |
| Year Released | 1971 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 2262 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 64 HP |
| Engine RPM | 4600 RPM | 4200 RPM |
| Torque | 639 Nm | 163 Nm |
| Torque RPM | 2800 RPM | 1400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1430 kg | 1134 kg |
| Vehicle Length | 4430 mm | 4500 mm |
| Vehicle Width | 1710 mm | 1740 mm |
| Vehicle Height | 1310 mm | 1480 mm |
| Wheelbase Size | 2450 mm | 2680 mm |
