Nissan SR20 Calico Coated ACL Race Series Main Bearings
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Calico Coated ACL Race Series Bearings
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 | Nissan SR20 Calico Coated ACL Race Series Main Bearings |
|---|---|
| Brands | ACL |
| Engine | SR20 |
| Make | Nissan |
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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 an SR20 engine?
The Calico Coated ACL Race Series Main Bearings provide enhanced lubrication and reduced friction due to the CT-1 dry film lubricant coating. This coating helps protect against abrasive wear and is particularly beneficial in high-performance applications where oil starvation can occur, such as during cold starts or in rough conditions.
Do I need to modify my engine for these bearings to fit properly?
These bearings are designed to fit standard SR20 main bearing journals. However, it's essential to check the clearances and ensure proper fitment, as machining tolerances can vary. Always consult with your engine builder for specific requirements.
What is the recommended oil type when using these bearings?
Using a high-quality synthetic oil is recommended to maximise the performance of the Calico Coated ACL Race Series Main Bearings. Ensure that the oil meets the specifications required for your SR20 engine and is suitable for high-performance applications.
Can these bearings handle high RPM and boost levels?
Yes, the Calico Coated ACL Race Series Main Bearings are designed for high-performance applications, making them suitable for high RPM and boosted setups. However, reliability will depend on proper machining, clearances, and tuning of the engine.
How do I ensure the longevity of these bearings in my SR20 engine?
To ensure longevity, maintain proper oil pressure and temperature, use the correct oil type, and ensure that the engine is built with appropriate clearances. Regular maintenance and monitoring of oil condition will also help in prolonging the life of the bearings.
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