Nissan RB30 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 RB30 Calico Coated ACL Race Series Main Bearings |
|---|---|
| Brands | ACL |
| Engine | RB30 |
| 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 RB30 engine?
The Calico Coated ACL Race Series Main Bearings provide enhanced durability and reduced friction due to the CT-1 coating. This coating offers intermittent dry lubrication, which is beneficial in high-performance applications where oil starvation can occur, such as during cold starts or in rough conditions. The bearings also feature corrosion protection and a low coefficient of friction, leading to decreased parasitic losses.
Do I need to modify my RB30 engine to use these main bearings?
While the Calico Coated ACL Race Series Main Bearings are designed to fit the RB30 engine, it is crucial to ensure proper machining and clearances are maintained. Depending on your specific application, you may need to perform line boring or other machining processes to achieve the correct fit and performance.
How do I ensure proper lubrication with these main bearings?
To ensure proper lubrication with the Calico Coated ACL Race Series Main Bearings, it is essential to maintain adequate oil pressure and quality. The CT-1 coating helps protect against oil starvation, but using high-quality oil and ensuring the oiling system is functioning correctly will maximise performance and longevity.
What should I consider when installing these main bearings in my RB30 engine?
When installing the Calico Coated ACL Race Series Main Bearings, pay close attention to the bearing clearances and ensure the crankshaft is properly aligned. It is advisable to follow the manufacturer's specifications for installation and to use a suitable lubricant during assembly to prevent damage.
Can these bearings be used in both race and street applications?
Yes, the Calico Coated ACL Race Series Main Bearings are suitable for both race and high-performance street applications. However, the longevity and performance will depend on factors such as engine tuning, oil quality, and maintenance practices. Always ensure that your engine is built and maintained to the appropriate standards for your intended use.
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