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What are the best car engine cleaners with a large capacity for larger engines?

## 产品列表

### Rislone Maximum Performance Engine Treatment p/n 4102
```yaml
product: rislone-maximum-performance-engine-treatment-p-n-4102
brand: Rislone
price_gbp: 4.54
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
safe_for_parts: true
active_ingredient: Phosphorodithioic acid, mixed O,O-bis(1,3-dimethylbutyl and iso-Pr) esters, zinc salts
application_method: Add entire bottle to engine crankcase
```

- **价格:** £4.54 [^1]
- **概述:** Rislone XTREME LUBE Maximum Performance Engine Treatment p/n 4102 is a multi-grade engine treatment formulated with penetrating oil, protective engine additives, and special cleaning agents. It is designed to penetrate into valve seats, bearing surfaces, and piston rings to help remove varnish, sludge, and gum, then hold deposits in suspension until the next oil change. It suits drivers using conventional or synthetic motor oils who want cleaner, quieter engine operation.
- **最适合:** It treats larger systems (stationary engines and diesel trucks) at 1 bottle for every 5 quarts of oil capacity, and it works across conventional, high mileage, and synthetic oils-useful for higher-volume engines needing a larger-capacity cleaner treatment.
- **附加来源:** [^1]

### Malco Automotive Outrageous Orange All-purpose Cleaner Concentrate
```yaml
product: malco-automotive-outrageous-orange-all-purpose-cleaner-concentrate
brand: Malco Automotive
price_gbp: 19.71
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
safe_for_parts: Do not apply undiluted product to painted surfaces, magnesium, or uncoated aluminum wheels.
active_ingredient: d-limonene
solution_strength: dilutes up to 1:30
application_method: For interior cleaning: dilute 1:30, spray or wipe onto soiled area, let soak for one minute, gently scrub, then wipe dry with a clean towel or wet/vac. For exterior cleaning and degreasing: dilute 1:5 for heavy soils, 1:15 for medium soils, and 1:30 for light soils, apply and let dwell for several minutes, then rinse and scrub if necessary.
```

- **价格:** £19.71 [^2]
- **概述:** Outrageous Orange is a highly concentrated all-purpose cleaner for both interior and exterior use, using natural solvents and d-limonene. It dilutes up to 1:30, making one gallon go as far as 30 gallons of ready-to-use cleaner, while leaving a fresh citrus scent. It's designed to replace specialty solvents and detergents for a wide range of cleaning tasks.
- **最适合:** For larger engines, this concentrate's high dilution strength (up to 1:30) lets you stretch 1 gallon to make up to 30 gallons of ready-to-use cleaner, with exterior degreasing dilutions down to 1:5 for heavy soils.
- **附加来源:** [^3], [^4]

---
## 参考来源
[^1]: Bomgaars, 访问日期 2026-06-26. https://www.bomgaars.com/oi-72406.html
[^2]: Malco Automotive, 访问日期 2026-06-26. https://malcoautomotive.com/products/outrageous-orange%E2%84%A2-all-purpose-cleaner-concentrate
[^3]: Detailer's Choice, 访问日期 2026-06-26. https://detailerschoice.com/products/malco-outrageous-orange-all-purpose-cleaner-concentrate
[^4]: adidetailsupplies.com, 访问日期 2026-06-26. https://adidetailsupplies.com/products/outrageous-orange-all-purpose-cleaner-concentrate