Review on DEEFILL Cooper Washers Coolant DFL 031 by Adam Harrison
Disappointing Automotive Engine Part
The DEEFILL Cooper Washers Coolant DFL 031 was a huge letdown for me. As my tests showed this product did nothing to improve the performance of my vehicle .In fact, it caused my engine to run hotter than usual, which was a major concern. The only positive is that it was easy to install. Overall, I would not recommend this product to anyone looking to enhance their engine's capabilities..
Pros
- Easy to install
Cons
- Doesn't improve performance, engine runs hotter than usual.
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