Morris Golden Film SAE 20 Classic Motor Oil - 2x5L
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The Morris Golden Film Classic Motor Oil is designed for owners of veteran, classic, and vintage vehicles requiring specialized lubrication. Its key benefit is providing a low detergent/dispersant monograde oil suitable for older engine and gearbox designs, preventing issues associated with modern high-additive oils. A potential caveat is its specific application for older technology; it is not suitable for modern engines.
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| Brand | Morris Lubricants |
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FAQs
Why is a 'low detergent' oil important for classic cars?
Classic engines often have basic oil filtration (like mesh gauze) that cannot remove fine particles suspended by modern high-detergent oils. Low detergent oils allow these particles to settle harmlessly in the sump, preventing them from damaging the engine or overwhelming the filter.
Can I use this oil in my modern car?
No, this oil is specifically designed for older engines and gearboxes that require low-detergent monograde lubricants. Modern engines have different requirements and may be damaged by this formulation.
What does 'monograde' mean?
Monograde means the oil has a single viscosity rating (e.g., SAE 20). It performs best within a specific temperature range, unlike multigrade oils which offer a wider range of protection.
Is SAE 20 the correct grade for all classic cars?
SAE 20 is a common grade for many classic applications, but it is crucial to consult your specific vehicle's manual. Other grades like SAE 30 or SAE 40 might be specified depending on the engine design and operating conditions.
How does this oil protect classic gearboxes?
Golden Film Classic Oils feature enhanced anti-foam properties, which ensures consistent lubrication and helps prevent wear in the intricate parts of classic gearbox designs.
Where can I find the API performance level for my vehicle?
Refer to your vehicle's original owner's manual or workshop manual. This will specify the required API service classification (e.g., API SD/CC) for the engine.
Troubleshooting
Engine knocking or unusual noise after oil change
Verify that the correct SAE 20 monograde oil was used and that it is the intended 'Classic' formulation. Ensure the oil level is correct. If the noise persists, consult a mechanic specializing in classic vehicles.
Gearbox feels stiff or performs poorly
Confirm that the oil is suitable for classic gearbox designs and that the correct grade has been used. Check for any potential blockages in the gearbox lubrication system. Consider a gearbox oil flush if significant contamination is suspected.
Oil leakage from seals
While not directly caused by the oil itself, older seals may be more susceptible to modern oil formulations. This classic oil is designed to be gentler on older seals, but persistent leaks indicate seal wear that requires mechanical attention.
Pros and Cons
Pros
- Specifically formulated for veteran, classic, and vintage vehicle engines and gearboxes.
- Low detergent/dispersant formula prevents issues with older filtration systems.
- Enhanced anti-foam properties protect classic gearboxes.
- Suitable for both petrol and diesel engines of the era.
Cons
- Not suitable for modern engines with high-additive oil requirements.
- Monograde formulation means it does not offer the same viscosity range as modern multigrade oils.
- Requires careful selection based on the specific vehicle's technical requirements.
Setup, Compatibility & Care
Compatibility: This oil is specifically recommended for veteran, classic, and vintage cars, motorcycles, commercial vehicles, and tractors that were designed to use low detergent/dispersant monograde oils. It is *not* suitable for modern engines which require high additive levels and multigrade lubricants.
Setup: Ensure the vehicle's engine and gearbox are clean and free from old, degraded oil or contaminants before first use. Always consult your vehicle's original service manual to confirm the correct SAE viscosity grade (in this case, SAE 20) and oil type.
Care: Store the oil in a cool, dry place, away from direct sunlight. Keep containers tightly sealed when not in use. Regular oil changes, as recommended by the vehicle manufacturer or in line with classic vehicle best practices, are essential.