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🏁 Break in like a pro, race like a legend!
Lucas Oil 10631 SAE 30 Racing Engine Break-in Oil is a premium, high-zinc formula designed to accelerate ring sealing and protect new or rebuilt engines during their critical initial hours. Compatible with ethanol, methanol, and high-octane race fuels, it ensures smooth lubrication and reduces wear under high heat and friction. Ideal for flat tappet and roller camshaft applications, this 5-quart universal fit oil is trusted by racers and rebuilders to maximize engine longevity and performance.
| ASIN | B00INXYZH0 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #2,712 in Automotive ( See Top 100 in Automotive ) #53 in Motor Oils |
| Brand | Lucas Oil |
| Brand Name | Lucas Oil |
| Compatible with Vehicle Type | Car |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 2,043 Reviews |
| Global Trade Identification Number | 00049807106317 |
| Included Components | SAE 30 Break-In Oil/3x1/5 Quart |
| Item Type Name | SAE 30 Break-In Oil/3x1/5 Quart |
| Item Weight | 4.35 kg |
| Liquid Volume | 160 fluid ounces |
| Manufacturer | Lucas Oil |
| Manufacturer Part Number | 10631 |
| Manufacturer Warranty Description | Warranty |
| Model Number | 10631 |
| Number of Packs | 1 |
| Package Information | Bottle |
| Part Interchange Info | 10631 |
| Size | 5 Quart |
| UPC | 049807106317 |
| Unit Count | 160 Fluid Ounces |
| Vehicle Service Type | Car |
| Viscosity Level | Medium |
J**S
Great for freshly build motors
Lucas Oil’s SAE 30 break-in oil is excellent quality and does exactly what it’s meant to. It’s thick, high-zinc oil that provides outstanding protection during the first few hours of running a new or rebuilt engine. The formula helps parts seat properly without excessive wear and keeps everything lubricated even under high friction and heat. It pours smoothly and has a clean, professional-grade consistency. After using it, the engine ran quietly and strong with no metal shavings in the oil, showing it did its job perfectly. It’s one of the best options for small engines, go-karts, and performance builds. Five stars for protection, reliability, and proven results.
D**P
quality and function
I rebuilt my classic car engine and wanted a break-in oil so I got this in the 5 quart size, unfortunately I had a high pressure line fail and lost some of the original oil, this quart was to bring the level back full. I will advise as to its effectiveness when finished with the break-in period, it does lose viscosity when hot thought.
M**N
Great name brand break in oil.
Great break in oil, good price. Well packaged. Thanks
T**Y
Good for small engine break-in.
Worked well in my new generator.
J**L
Works as intended
Good product! Higher zinc for engine breakin
T**O
Great oil
Great break in oil for new motor
L**N
Zinc
Worked
O**O
Sticky oil with good viscosity for a rebuilt engine
Bought 15qt to use on my engine rebuild on a 2003 dodge 4.7. Prefilled all passages with a syringe and soaked valve train and timing chains in this overnight. Ran engine for 10 miles for initial break-in, then changed to this oil again for 600 miles, then went back to my 5w40 synthetic. No leaks, no smoke, and good oil pressure. Engine felt stronger by about 100 miles in, which means the steel moly and ductile iron rings bit the cross hatch properly but not excessively. It was assembled meticulously, but this oil played no small part. Would buy again but if using in summer like I did, I would maybe do the 40w instead (got a little timing chain rattle at hot idle with the 30w that disappeared with the 5w40 synthetic).
Trustpilot
1 month ago
2 weeks ago