L31 Engine Specs
It is the L31 engine is A General Motors small-block V8 engine that was employed in A wide range of GM vehicles And trucks from 1996 until 2002. Two distinct engines were referred to as the L31:
| Feature | Vortec 350 L31 (1996-2002) | Vortec 5700 L31 (2003-2013) |
|---|---|---|
| Engine Type | 5.7L V8 | 5.7L V8 |
| Horsepower | 255 hp @ 4,600 rpm | 330 hp @ 5,600 rpm |
| Torque | 330 lb-ft @ 2,800 rpm | 380 lb-ft @ 4,000 rpm |
| Block Material | Cast Iron | Aluminum |
| Heads Material | Cast Iron | Aluminum |
| Crankshaft Material | Forged Steel | Cast Iron |
| Main Bearings | 4-bolt | 4-bolt |
| Oil Capacity (qts) | 6 | 6 |
| Oil Type | Conventional 5W-30 | Synthetic 5W-30 |
| Oil Filter Type | ACDelco PF45 or an equivalent | ACDelco PF48 or an equivalent |
| Recommended Oil Change Interval | 3,000 miles (severe conditions) | 5,000 miles (normal conditions) |
| Estimated Oil Change Cost | $40-$80 | $50-$100 |
Conclusion
The L31 engine has been described as A robust And reliable small-block V8 engine that was Manufactured through General Motors from 1996 to 2002.
Its displacement is 5.7 milliliters And generates The equivalent of 255 horsepower At 4,600 rpm and 300 lb.-ft. of torque, At 2800 rpm. This L31 engine block features A bore That is 4.00 inches And the stroke is 3.48 inches.
It is A well-liked upgrade for small-block engines of the past because of its price And the high airflow.
I hope this article will provide you with the Details that you require Regarding L31 engines. L31 engine. Thanks for taking the time to read!