When building my current AH3000 engine I kept a record of the component weights
to see what savings could be made. The following is a record of these weights.
Note, with the exception of the pistons, the weights are rounded to the nearest
whole number which is why some appear not to add up!
| Standard | Modified | Saving | Modification | ||||
| LBS | Kg | LBS | Kg | LBS | Kg | ||
| Static Mass: | |||||||
| Gearbox (OD) | 121 | 55 | 95 | 43 | 26 | 12 | Toyota W58 box |
| Engine Back Plate | 25 | 11 | 9 | 4 | 16 | 7 | Aluminium |
| Cylinder Head | 88 | 40 | 35 | 16 | 53 | 24 | Aluminium |
| Sub-Total saving | 95 | 43 | |||||
| Rotating Mass: | |||||||
| Flywheel | 30 | 14 | 22 | 10 | 8 | 4 | Lightened |
| Clutch | 18 | 8 | 14 | 6 | 4 | 2 | Diaphragm |
| Subtotal saving | 12 | 5 | |||||
| Reciprocating Mass: | |||||||
| Pistons (6 off) | 8.373 | 3.798 | 7.024 | 3.186 | 1.349 | 0.612 | Forged (Omega) |
| Total Saving | 109 lbs | 49 kg |