ARP Ultra-Torque Fastener Assembly Lubricant - 1.69 FL Oz Tube
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Full details
This guide is for automotive technicians and performance engine builders who need to ensure consistent fastener preload. The ARP Ultra-Torque Fastener Assembly Lubricant provides incredible anti-seize characteristics and significantly reduces preload scatter, allowing fasteners to be torqued accurately on the first cycle. A potential caveat is its specialized nature, meaning it is optimized for specific high-performance applications rather than general-purpose use.
All features
| Model Part Number | 100-9909 |
|---|---|
| Brand | ARP |
Extended Product Information
FAQs
What is 'preload scatter' and why is it important to avoid?
Preload scatter refers to the variation in clamping force (preload) achieved when tightening fasteners due to inconsistent friction between the threads and under the fastener head. This scatter can cause uneven stress on engine components, leading to distortion and sealing issues.
Can I use this lubricant on all types of fasteners?
While highly effective, this lubricant is specifically designed for high-performance automotive applications where precise preload is critical. For general automotive or industrial use, a different lubricant might be more appropriate, though it would work.
How much lubricant should I apply?
Apply a thin, uniform coat to the threads and under the head of the fastener. Excessive amounts are not necessary and can lead to over-torquing or contamination.
Will this lubricant affect the fastener's strength?
No, it is designed to enhance torque accuracy and prevent seizing without compromising the mechanical integrity of the fastener itself.
Is this lubricant suitable for high temperatures?
Yes, it contains extreme pressure lubricants designed to perform under demanding conditions found in high-performance engines.
How long does the lubricant remain effective after application?
Once applied and torqued, the lubricant provides consistent friction characteristics for subsequent cycles within the same assembly process. Its anti-seize properties also offer long-term protection against corrosion and seizing.
What is the difference between this and regular engine oil?
Engine oil has inconsistent frictional properties that lead to preload scatter. ARP Ultra-Torque is a specialized blend with predictable friction designed specifically to minimize preload scatter and provide superior anti-seize protection.
Troubleshooting
Fastener still feels inconsistent after application.
Ensure the lubricant was applied evenly to all thread surfaces and the underside of the fastener head. Verify that the torque wrench is properly calibrated and that the correct torque specification is being used. Check for thread damage or debris in the receiving threads.
Lubricant appears to be drying out in the tube.
Ensure the cap is securely tightened after each use. Store the tube in a cool, dry environment. If minor drying occurs, you may be able to stir it to restore consistency, but if significantly hardened, consider replacing the product.
Difficulty applying lubricant to fine threads.
Use a small brush or applicator tip to ensure thorough coverage on intricate threads. A penetrating oil (used sparingly) can sometimes help if the lubricant is thick.
Pros and Cons
Pros
- Ensures accurate and consistent fastener preload on the first try.
- Significantly reduces assembly time for high-performance engines.
- Prevents galling, seizing, rust, and corrosion.
- Improves sealing performance by reducing bore distortion.
- Uses a premium blend of extreme pressure lubricants for durability.
Cons
- Highly specialized product, not intended for general-purpose lubrication.
- May be more expensive than standard lubricants.
- Requires understanding of preload scatter concepts for full benefit.
- Tube size (1.69 fl oz) may be small for large assembly jobs.
Setup, Compatibility & Care
Setup: Apply a thin, even coat of ARP Ultra-Torque Fastener Assembly Lubricant to the threads of the fastener and the underside of the bolt head or nut before installation. Ensure complete coverage on the bearing surfaces.
Compatibility: This lubricant is specifically formulated for threaded fasteners in high-performance automotive applications, particularly where precise and consistent preload is required (e.g., engine block bolts, head studs, main bearing caps). It is compatible with ARP fasteners and other premium quality hardware.
Care: Store the lubricant in its original container in a cool, dry place, away from direct sunlight and extreme temperatures. Keep the cap tightly sealed to prevent contamination and drying. Clean any excess lubricant from tools and surrounding areas with a clean rag.