Looking for the best oil for rebuilt 350 crate motor? Perfect, you’re in the right place. 10w30 is recommended for a rebuilt engine. Here we have included some excellent options of motor oil to use in rebuilt 360 crate motor.
In this guide, you’ll also learn:
- Top 7 oil for rebuilt 350 crate motor
- What you should appraise when buying oil for rebuilt 350 crate motor
- And much more!
Quick Comparison
Lack of time? Don’t be tense. We have organized a comparison table to help you quickly come to a proper conclusion.
| Image | Product | Key Features | Price |
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1. Royal Purple 11487 Engine Break-In Oil 10W30 | ● Contain highly refined mineral oils and additives. ● It is formulated to use for flat-tappet cams and new engines. ● Maximum wear protection. ● Protection of rotating assemblies. ● Restrain startup wear. |
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2. COMP Cams 1590-12 10W-30 Break-In Engine Oil | ● Extend the gear life. ● No extra additives. ● Optimum wear protection. ● Include the optimum quantity of high-quality base oil, ZDDP, detergents, and molybdenum. ● Boost the surface mating of valvetrain parts. |
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3. Lucas Oil 10631 SAE 30 Engine Break-In Oils | ● Quick and feasible ring seal. ● Appropriate for flat tappet camshafts. ● Contain 3600 PPMS levels of zinc. ● Extend oil life. ● Good value for money. |
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4. Maxima 30-10901 Break-In 10W-30 Engine Oil | ● Protect flat tappet, roller camshafts. ● Suitable for high-performance racing and rebuilt engines. ● It can be used with semi-synthetic engine oils and petroleum. ● More efficacious engine break-in oil. ● Carry zinc and phosphorus additives. |
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5. Brad Penn Oil 009-7120 30W-12PK Motor Break-in Oil | ● Contain high dialkyl dithiophosphate and zinc. ● Anti-drag protection. ● Maximum wear safety. ● Perfect to use in flat tappet cams. ● Great viscosity. |
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Best Rebuilt 350 Crate Motor Oil Review
1. Royal Purple 10W30 Engine Break-In Oil
While breaking in rebuilt 350 crate engine, the Royal Purple Break-In Engine Oil could be a great option as it offers a suitable ring seal.
The formulation of this break-in oil combines exceptionally purified mineral oil and advanced additives, where the refined mineral oil is proposed for break-in periods.
This break-in oil is mainly designed for engine manufacturers who have developed a thoughtful mind that many conventional motor oils do not deliver sufficient wear protection for the newly-built engines.
The manufacturers also recommended this product for rebuilt motors, flat tappet, and roller lifter engines.
It contains a high level of zinc and phosphorus to provide ample wear protection for flat tappets and camshafts. The most convenient part of this purely formulated oil is that you don’t need to use any chemical or additive products for an easy lubrication process.
The Royal Purple manufacturer also endorses one of their high-performance synthetic oil to maintain your engine’s continuous performance and safety.
Read More: Best Oil For NorthStar Engine
2. COMP Cams 1590-12 10W-30 Break-In Engine Oil
In recent years, most manufacturers haven’t included many critical additives in their engine oil because of government rules and regulations. Consequently, some engine builders are compelled to add extra ingredients to sustain engine performance and safety.
Luckily, ZDDP-formulated COMP Cams Break-In Engine Oil is designed to deliver better motor life with enhanced performance. Plus, it doesn’t need additional chemicals or supplements for required protection.
It prolongs the endurance of internal motor components. Besides, this break-in lubricant ameliorates the surface mating of valve components, particularly in flat tappet, rod journal, piston ring, rotating assembly, and other valve parts of engines.
Wherever you want to lubricate your rebuilt or new engines, this engine oil provides the best wear protection during the break-in period. This one is suitable for methanol, gasoline, and octane fuel.
The formulation contains an ideal amount of zinc, phosphorus, detergents, and molybdenum. Furthermore, the 10W-30 high viscosity is enough to maintain the new and fresh rebuilt 350 crate engines’ break-in process.
3. Lucas Oil 10631 SAE 30 Engine Break-In Oils
Lucas is one of the most renowned brands in manufacturing engine oil products for many years. Their break-in engine oil is formulated to offer ultimate pressure that protects the internal engine units, especially the flat tappet camshafts.
For its high zinc content, it can be used where additional wear protection is needed. Furthermore, it’s manufactured in three categories to meet the requirements of all motors.
This break-in oil has gained approval for use on the startup break-in of valvetrain components, including roller cams and flat tappet camshafts. The Lucas lubricant is highly compatible with methanol, ethanol, octane containing fuels.
It prevents motor blow-by, resulting in maximum ring seal and enhancing the engine horsepower. Besides, you don’t need to add any moly supplement or extra additives as it comes in a fully formulated form.
Whether you switch your engine over the conventional or synthetic racing line, it keeps you on track. The Lucas break-in oil is engineered for racing applications. The liquid volume is 4.73 liters.
4. Maxima 30-10901 Break-In 10W-30 Engine Oil
Maxima is one of the most famous brands in the racing community for over three decades. They used advanced technology in manufacturing the products as customer satisfaction is their main motto.
This break-in oil is built with ideal components to meet OEM requirements. However, it would be better to check your vehicle’s user manual for superior performance.
This break-in oil has been recommended for use in engines with roller or flat tappet parts, camshafts, and where more anti-wear protection is required. It blends two different zinc elements, which ensures better safety.
Furthermore, Maxima Break-in oil offers additional protection at high temperatures. It comes in a universal fit and is compatible with most high-performance racing engines.
You can use this break-in lubricant in engines containing semi-synthetic or full-synthetic engine oils and petroleum. This lubricant has been tested through Dyno tests, showing proficiency during the break-in stage.
5. Brad Penn Oil 009-7120 30W-12PK Motor Break-in Oil
Brad Penn Oil is ideal for dedicated engine manufacturers, which offer exceptional protection for ticklish engine components. This one is hybrid motor oil, including bio-diesel, synthetic, recycled, conventional oils.
With its advanced additive formulation, you can keep your engine clean, calm, and smooth. This mono-grade engine oil is particularly formulated to match the lubrication needs of modern engines. Besides, the break-in oil is suitable to use in rebuilt 350 crate engines.
This engine oil ensures the perfect seating of piston rings and run-in elements, which provides optimum ring seal protection. Plus, it combines dialkyl dithiophosphate and zinc for superior performance. Overall, the Brad Penn break-in engine oil is manufactured to offer anti-wear advantages with maximum protection.
6. Red Line Break-In Engine Oil For Rebuilt 350 Crate Motor
Redline comes with a break-in engine oil that blends traditional oils and some advanced additives like phosphorus, zinc. This oil is efficient enough to provide maximum damage protection against valvetrain and camshafts components during the break-in process.
When additives help to control additional wear, it permits rings to sit thoroughly with less-smooth oils. Plus, this engine lubricant is compatible with synthetic and conventional oils.
Moreover, it’s designed to give exceptional friction. Thus, you can experience smooth and comfortable drivability. This motor oil includes optimum detergents to enhance the lubricity process and no possibility of explosion.
The added advantage is its polyester compounds, ensuring maximum stability while revealed to enhanced fuel diluent. With this break-in lubricant, you can get increased protection at the initial startup.
7. Schaeffer Manufacturing 10W-30 Synthetic Plus Racing Oil
The Schaeffer Manufacturing synthetic plus racing oil comes with a broad range of compatibility with most gasoline engines, including supercharged, turbocharged, and flat tappet cams.
This supreme 7000 oil integrates PAO synthetic oils, extremely raffinate Group II plus compounds, and additive elements. It improves viscosity level and prevents your engine from sludge formulation.
When the temperature is increased, it prevents oil breakdown and resists oxidation. Besides, it features wear reduction and keeps your engine clean from corrosion.
This engine oil is a friction-modified package containing Penetro and Micron Moly to prevent metal-to-metal connection. Besides, it includes zinc compounds to avoid damage against camshafts and valvetrain elements.
How To Choose Right Rebuilt 350 Crate Motor Oil
To find the best oil for 350 crate motor, you need to appraise some key features. Since the primary purpose of break-in oil is to form an intense ring seal into the cylinder ridges, it’s much essential to choose an appropriate one.
1. Anti-wear additives
Most manufacturers combine mineral oil and advanced additives like zinc, dialkyl dithiophosphate, detergents, and phosphorus for superior wear protection.
A few are mainly designed to avoid damage in flat-tappet camshafts and valvetrain elements. In this case, you should choose one that can support your rebuilt engine components and offer improved lubrication.
2. Compatibility
Generally, some break-in engine oils are compatible with gasoline, diesel, ethanol, octane, methanol fuels. Try to pick a suitable motor oil based on your demands.
3. Enhanced Performance
The overall engine performance depends on multiple features. It needs to maintain reduced friction, high viscosity, no additional supplements, effective ring seal, and temperature protection at extreme conditions.
How Can You Break-In Your Rebuilt 350 Chevy Crate Engine?
For breaking in a chevy crate engine, you need to follow eight essential steps.
- Firstly, you have to check if there are any leaks.
- Then, you need to monitor the oil level. When you’ve assured that the motor contains enough oil, then assemble a pressure gauge and break the entire connection system.
- You need to switch off the engine and give it some times to cool.
- After that, adjust the ignition timing.
- The next step is to break-in your flat tappet camshafts. You have to run your engine for half an hour within 2000 and 2,500 rotations per minute.
- Now drive your vehicle with high RPMs at different speeds to check if it works.
- It’s time to break-in your engine piston rings. You need to hold the engine over 30,000 RPM and takedown to 20 MPH five to six times.
- Then replace the oil and oil filter.
350 Crate Motor Oil (FAQs)
Which Oil Is Best For A Rebuilt 350 Chevy Crate Engine?
Generally, high-performance 10W-30 and 10W-40 are the suggested engine oils for rebuilt 350 crate motors. On the contrary, 5W-50 is suitable to use in older engines. While the market is loaded with several break-in oils, we would recommend COMP Cams 10W-30 Break-In Engine Oil for your 350 Chevy Crate engine.
Which One Is Cheaper To Rebuild Or Replace The Motor?
Engine reconstruction can save valuable money compared to engine replacement. However, engine replacement depends on what types of engine problems you’re facing.
What is the best oil for a rebuilt engine?
10W-30 is the recommended oil for a rebuilt engine
What oil should I run in my 350?
You can use Royal Purple 10W30 engine oil in your 350.
Final Words
The break-in process is a kind of critical time for a rebuilt engine. For as much, you need to maintain a continual fight against wear. Using an inferior-quality break-in motor oil can result in excessive damage, inhibit engine compression, and even decrease engine horsepower.
In this circumstance, it would be better to choose the best oil for rebuilt 350 crates during the break-in period to enhance engine power, durability, and maximum wear protection. Our article has included the seven best oil for rebuilt 350 crate motor. Now pick one that meets your requirements.
