Dyno Test: TriboDyn TRI-EX2 vs. Chevron Delo 400 XLE Shows Power Gains in Cummins Diesel Engine
TriboDyn TRI-EX2 15W-40 and Chevron Delo 400 XLE SB oils were tested on a 2005 Dodge Ram 3500 with a 5.9L Cummins diesel engine to compare performance and efficiency. Both oils meet required Cummins CES 20086 specifications but differ significantly in composition and price.
Four synthetic oil bottles
Key Differences:
- Chevron Delo 400 XLE SB: Synthetic blend, $15-25/gallon, widely available
- TriboDyn TRI-EX2: Full synthetic with patented ceramic technology, ~$70/gallon, specialty product
TriboDyn lubricant bottle
Testing Results:
- Peak horsepower measurements:
- Used Delo 400: 286.72 hp
- New Delo 400: 287.61 hp
- TriboDyn TRI-EX2: 294.93 hp
- TriboDyn showed 7.32 hp increase over Delo
- Power gains were consistent across the entire power curve
Horsepower vs speed performance graph
Economic Analysis:
- 2.55% power improvement suggests similar fuel efficiency gain
- Projected fuel savings over 15,000 miles: 29.7 gallons
- At $4.86/gallon (CA prices), saves $144.34 in fuel
- Net savings: $7.13 after accounting for higher oil cost
The TriboDyn TRI-EX2's ceramic technology claims to:
- Form low-friction coating on high-load areas
- Reduce operating temperatures
- Improve fuel economy
- Extend equipment life
- Reduce maintenance costs
Oil change guidance infographic
Conclusion: Despite higher initial cost, TriboDyn TRI-EX2 demonstrated measurable performance improvements and potential cost savings through increased efficiency. Long-term testing is planned to verify durability claims and sustained benefits.
