Ford 6Cyl AU, Barra XR6 Calico Coated ACL Race Series Main Bearings (360 degree thrust)
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Calico Coated ACL Race Series Main Bearings with full 360 degree thrust
COATED BEARINGS Long term players in the performance engine bearing industry ACL RACE Series Performance Engine Bearings & Calico Coatings have formed a collaboration to offer users an additional option in performance engine building. ACL and Calico are, respectively, technological leaders in the fields of performance engine bearings and performance coatings. Both companies have exemplary reputations for quality, performance & knowledge in their areas of specialization. ACL engine bearings have been coated by Calico for individuals for over 15 years, with proven compatibility and an established track record of excellence in the most exacting and extreme performance applications. ACL and Calico both have rich histories in motorsport, the racetrack is the perfect proving ground. This alliance culminates in the release of ACL offering a range of Calico coated ACL RACE Series Performance Engine Bearings. The coated range is available through all current ACL distributors
DESCRIPTION Our coated bearings combine ACL’s tough RACE Series lining and overlay metallurgy with Calico’s well renowned CT-1 coating. CT-1 is a Dry Film Lubricant coating that helps reduce friction and abrasive wear. It provides intermittent dry lubrication and is not affected by dust or dirt. CT-1 is specifically engineered to withstand the extreme conditions of today’s high performance engines. Professional engine builders enjoy a higher level of confidence with increased embedability, strength and durability
ADVANTAGES Provides intermittent dry lubrication, not affected by dust or dirt, low coefficient of friction. Thin coating to accommodate assembly constraints, chemical resistance, corrosion protection, reduced friction and drag resulting in decreased parasitic losses. • Corrosion Protection • Increased Lubricity • Low Coefficient of Friction • Oil and Fuel Resistant
LOW OIL PRESSURE/OIL STARVATION Theoretically a crankshaft rides on a thin film of oil that protects both the crank and bearing. Real world experience such as cold starts and rough terrain conditions have proven otherwise. CT-1 coated engine bearings provide a dry film lubricant that protects against intermediate oil starvation.
| Product Name | Ford 6Cyl AU, Barra XR6 Calico Coated ACL Race Series Main Bearings (360 degree thrust) |
|---|---|
| Brands | ACL |
| Engine | 4.0L Inline 6, AU Inline 6, Barra XR6 |
| Make | Ford |
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What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What are the benefits of using Calico Coated ACL Race Series Main Bearings in my Barra XR6?
The Calico Coated ACL Race Series Main Bearings provide several advantages for your Barra XR6, including reduced friction and wear due to the CT-1 dry film lubricant coating. This coating enhances lubricity and offers protection against oil starvation, which is particularly beneficial during cold starts or in challenging conditions. Additionally, the bearings are designed to withstand extreme performance applications, ensuring reliability under high-stress situations.
Do I need to modify my engine to fit these main bearings?
These main bearings are designed to fit the Ford 4.0L Inline 6 and Barra XR6 engines without modification, provided that your engine's main journal sizes are within OEM specifications. However, it is crucial to check for proper clearances and ensure that the crankshaft is balanced with the full rotating assembly to achieve optimal performance.
What is the significance of the 360-degree thrust feature in these main bearings?
The 360-degree thrust feature in these main bearings allows for improved load distribution across the bearing surface, which can enhance durability and reduce the risk of failure under high-performance conditions. This design is particularly beneficial in applications where thrust loads are significant, ensuring that the crankshaft remains stable and properly aligned during operation.
How do I ensure proper installation of the ACL Race Series Main Bearings?
To ensure proper installation of the ACL Race Series Main Bearings, it is essential to clean all bearing surfaces thoroughly and check for any debris or imperfections. Follow the manufacturer's specifications for torque settings on the main caps, and ensure that the crankshaft is properly aligned. Additionally, verify that the oil clearance is within the recommended range for your specific application to maintain optimal performance.
Can these bearings be used in both street and race applications?
Yes, the Calico Coated ACL Race Series Main Bearings are suitable for both street and race applications. Their design and coating provide the durability and performance needed for high-stress environments, while also being reliable enough for daily driving. However, the overall performance will depend on the engine's tuning, oil quality, and operating conditions.
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