TLDR Review: Lucas Oil 10977 Fuel Treatment
Pros
- •Noticeable improvement in gas mileage, from 22.1 mpg to 23.7 mpg.
- •Effectively smooths rough idle for high mileage vehicles, such as a 1998 Jeep XJ with 196K miles.
- •Benefits observed in engine performance and reduction of engine noise, making it 75% quieter.
- •Reduces hesitation during acceleration, particularly during highway merges.
- •Extended fuel life, with a tank lasting about 5 days instead of 3.
- •Useriendly design with a thin spout for easy pouring without spills or strong chemical smells.
- •Recommended for regular use to keep the engine and fuel system lubricated and clean, noticing ongoing benefits.
- •Helps vehicles potentially pass emissions tests.
- •Convenient for use, especially when the gas tank is between empty and a quarter full for optimal results.
- •Suggests using in combination with Lucas Oil Octane Booster for enhanced performance.
Cons
- •Initial testing may show no improvement, especially with short trips.
- •Minimal improvement may be observed in cars that already run well and don’t burn oil, like a 2014 Rav4.
- •Mileage improvement may not be significant enough for all users to attribute to the product alone.
Bottom Line
The Lucas Oil 10977 HIGH Mileage Fuel Treatment is an ideal choice for older, high-mileage vehicles, offering improvements in idle smoothness, engine performance, and gas mileage. While initial results may vary, regular use can lead to significant long-term benefits. For those running vehicles with over 75K miles, this fuel treatment can help maintain a clean and lubricated fuel system, potentially even assisting in passing emissions tests. Consider pairing it with Lucas Oil Octane Booster to maximize performance gains.
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