Tiffany Haney
Blue RTV is a versatile gasket maker that can be used on oil pans, but it is not always the best tool for the job. While Blue RTV can be used on oil pans, there are other RTV colours that are more suitable for this purpose. For instance, Ultra Black RTV is specifically designed for use with engine oil and is suitable for bonding two types of metal together. Other colours such as grey, red, and black RTV are also commonly used for oil pans and offer distinct advantages in terms of temperature resistance and ease of use. Therefore, while Blue RTV can be used on oil pans, there are alternative options available that may provide better performance and durability.
| Characteristics | Values |
|---|---|
| Use on oil pans | Blue RTV can be used on oil pans, but it is not always the best tool for the job. Ultra Black, Ultra Grey, and Ultra Copper RTV are also used on oil pans and are preferred by some. |
| Use with gear oil | Blue RTV should not be used with gear oil. |
| Temperature range | Blue RTV can withstand temperatures between -65°F and 500°F (-54°C to 260°C) intermittently. |
| Resistance | Blue RTV resists auto and shop fluids. |
| Bonding | Blue RTV is a good all-around gasket maker, but it may not be suitable for bonding all materials. |
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What You'll Learn
Blue RTV should not be used with gear oil
Blue RTV is a versatile gasket maker that can be used for valve covers, oil pans, timing covers, water pumps, and thermostat housings. However, it is important to note that Blue RTV should not be used with gear oil. While it can be a good option for various applications, it is not the best choice when it comes to compatibility with gear oil.
When it comes to gear oil compatibility, other types of RTV are more suitable. For example, Permatex offers a range of RTV products specifically designed for different applications, including gear oil. Their Gear Oil RTV is recommended for differentials and transfer cases. This product has been engineered to withstand the specific fluids and parameters associated with gear oil applications.
Additionally, when working with high-performance fluids, such as synthetic engine oils, it is essential to use a compatible RTV. The Ultra Synthetic RTV is designed to resist breaking down when exposed to synthetic engine oils, ensuring that it can handle any additives in these top-of-the-line fluids. This consideration is crucial for maintaining the integrity of the seal and preventing leaks.
It is worth noting that not all RTVs are created equal, and using the correct type for the intended purpose is vital. Some RTVs may not withstand hydrocarbons and can dissolve over time. Therefore, it is recommended to use premium products, thoroughly clean the application surface, and allow adequate cure time before exposing the RTV to any oil. Taking these precautions will help ensure a proper seal and prevent potential leaks.
While Blue RTV has its advantages and can be a handy multi-purpose tool, it is not the recommended choice when working with gear oil. By selecting the appropriate RTV for gear oil applications, such as Permatex's Gear Oil RTV or Ultra Synthetic RTV, you can be confident in the compatibility and longevity of the sealant. Following the specific instructions for each product will also contribute to a successful outcome.
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Ultra Black RTV is a good alternative for oil pans
Blue RTV is a versatile gasket maker that can be used for oil pans, but it has its limitations. It is not suitable for use with gear oil, and oil will disintegrate it over time. This is because most RTVs cannot withstand hydrocarbons, which will dissolve the cure.
Permatex, the manufacturer of Ultra Black RTV, lists oil pans as one of the suitable applications for this product. It can be used for both valve covers and oil pans, providing a strong seal that resists auto and shop fluids and vibration.
Some users have reported success with Ultra Black RTV on oil pans, stating that it provided a tight seal with no leaks. It is important to follow the manufacturer's instructions for proper installation, including allowing adequate time for the product to set and cure.
In addition to Ultra Black, there are other RTV colours that are suitable for oil pans, such as Ultra Grey and Ultra Copper. These products offer different features, such as high torque and dissimilar metal contact, respectively. However, Ultra Black RTV remains a popular and effective choice for oil pans, providing maximum oil resistance and a strong seal.
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Ultra Grey RTV is also suitable for oil pans
Blue RTV is a versatile gasket maker that can be used for valve covers, oil pans, timing covers, water pumps, and thermostat housings. However, it should not be used with gear oil. While Blue RTV is a versatile option, there are other RTV colours that are specifically designed for use with oil pans and offer superior performance.
Ultra Grey RTV is a high-performance sealant that is suitable for oil pans. It is designed to handle the demands of import engines that run at higher RPM with more vibrations and tighter tolerances. Ultra Grey RTV has a higher density, which allows it to effectively handle vibrations and high tensile strength, making it ideal for bonding between tighter tolerances. It is also oil-resistant and can withstand coolant and steering fluid. The temperature range of Ultra Grey RTV is -65ºF to 500ºF (-54°C to 260°C), making it suitable for a wide range of applications.
According to user experiences, Ultra Grey RTV can be torqued to its final value immediately after installation, which is a convenient feature for repair shops. It is also sensor-safe and provides a rigid high torque, making it a reliable choice for oil pans.
In addition to Ultra Grey RTV, there are other RTV colours that are suitable for oil pans, including Ultra Black, Optimum Black, and Ultra Copper. These options offer maximum oil resistance and are recommended by many users for effective sealing and bonding.
When choosing an RTV for oil pans, it is important to consider the specific application and follow the manufacturer's instructions for best results. While Blue RTV can be used, Ultra Grey RTV and other specialised colours may provide superior performance and durability.
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Copper anti-seize is preferable for spark plugs
Blue RTV is a versatile gasket maker that can be used on oil pans, valve covers, timing covers, water pumps, and thermostat housings. However, it should not be used with gear oil as it will disintegrate over time. For oil pans, Ultra-Black RTV Silicone is recommended as it is designed for high oil contact areas and can flex to accommodate the expansion and contraction of different metals.
Now, regarding the use of copper anti-seize on spark plugs, there are varying opinions on this topic. Some people recommend using copper anti-seize, especially for spark plugs installed in aluminum heads, as it acts as a lubricant and reduces wear on the threads. It is also useful if you need to remove or check the spark plugs frequently. However, others argue that anti-seize products are unnecessary and can even be detrimental. Some spark plug manufacturers, like NGK, state that their plugs are already lubricated at the factory and that adding more lubricant can cause overtightening and damage.
It is important to consider the potential issue of galvanic corrosion when using copper anti-seize on spark plugs with aluminum heads. The reaction between dissimilar metals can cause damage to the heads over time. Nickel-based anti-seize products are often recommended as an alternative to copper, as they are safer to use on aluminum heads and can also provide lubrication.
When using any type of anti-seize, it is crucial to follow the manufacturer's instructions and apply only a small amount to the spark plug threads. Excessive use of anti-seize can lead to over-tightening and other issues. It is also worth noting that some spark plugs, especially the more expensive ones, may not require any anti-seize at all and can be safely installed dry.
In conclusion, while copper anti-seize can be used on spark plugs, it is essential to consider the potential risks and follow the recommendations of the spark plug manufacturer. The use of anti-seize may be more suitable for certain types of spark plugs or specific applications, such as frequent removal or aluminum heads. However, it is not always necessary and, in some cases, may cause more harm than good.
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RTV should not be used on a Fel-Pro rubber gasket
Blue RTV silicone gasket maker is a great all-around product, but it is not always the best tool for the job. Blue RTV should not be used with gear oil. It is not suitable for use with all oil pans, as oil will disintegrate it over time.
However, there are times when you may need to use RTV as a supplemental sealer while completing various gasket repair jobs. Only use RTV to seal corners and/or stepped joints where there are gaps – don't apply it to the entire gasket.
For oil pans, other RTV colours may be more suitable. Black RTV is flexible for bonding different materials and high oil situations, but standard black is not for engine applications. Ultra-Black Maximum Oil Resistance RTV Silicone is the best-selling product and is suitable for any application that comes into contact with engine oil. It is good for bonding two types of metal together because it can flex up to ten times its original shape. Ultra Copper RTV is preferable when the bond is between aluminium and another metal, such as the oil pan to block.
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Frequently asked questions
Yes, blue RTV can be used on an oil pan, but it is not always the best tool for the job. It should not be used with gear oil as oil will disintegrate it over time.
Alternatives to blue RTV for oil pans include black RTV, grey RTV, red RTV, copper RTV, and Ultra Black RTV.
To apply RTV to an oil pan, first, make sure all old oil is off the surface. Then, apply a continuous and even bead of RTV to one surface, tracing the internal areas around the bolt holes, and then all surrounding bolt holes. Assemble the parts while the RTV is still wet, and tighten until the material begins to seep out the sides. Allow it to set for at least two hours, and then re-torque. For best results, let it cure overnight with the oil drain plug removed.
