How much oil does a 318 v8 take?
A Mopar 318 V8 typically requires about 5 quarts of engine oil with a filter installed. Some configurations, particularly those with deeper or aftermarket pans, can take more—up to roughly 6 quarts. Always confirm the exact capacity using your owner's manual or by checking the dipstick after a fill.
The 318 V8, produced across several generations (notably the LA and Magnum families), has a common oil-fill range but the precise capacity can vary with pan size, filter, and modifications. This article breaks down the typical figures and how to verify them on your specific vehicle.
Oil capacity by variant
Before listing the common figures, note that capacities assume a stock oil pan and a standard oil filter. If your engine uses a deep sump or aftermarket pan, the total capacity will differ.
- 5 quarts (approximately 4.7 L) with the oil filter installed for a stock Mopar 318 with the standard pan.
- 4.5 quarts (approximately 4.3 L) without the oil filter, or when referencing oil capacity excluding the filter.
- 6 quarts (approximately 5.7 L) or more when using a deep-sump or aftermarket oil pan that increases total capacity.
When planning an oil change, use these figures as a baseline, but always verify against your vehicle’s specific configuration and the dipstick reading after filling.
Practical notes for verification
To confirm the exact capacity for your 318 V8, check the vehicle’s service manual or an official Chrysler/Mopar specification sheet for your year and model. If you’ve installed a non-standard pan, consult the pan’s documentation or a trusted technician to determine the correct fill quantity. After changing the oil, run the engine briefly, shut off, and recheck the dipstick to ensure the level sits within the recommended range.
Summary
For most 318 V8 engines, expect about 5 quarts of oil with a filter in a stock configuration. Deep or aftermarket pans can push the total toward 6 quarts, while removing the filter lowers the reference by roughly a half-quart. The safest approach is to verify with the owner’s manual and confirm the level via the dipstick after filling, especially if your engine has been modified.
