Holden / Buick V6 Ecotec Ross Racing Turbo / Supercharged Pistons
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Spool Holden / Buick V6 Ecotec Custom Ross Racing Turbo / Supercharged Pistons - Now available!
These are a Custom Piston made by Ross for Spool Imports.
Pistons are available in:
- Bore Sizes: +0.5mm / 97mm
- 9.0:1 Comp Ratio
- - 11.3cc dish
- Pistons come with Rings, Gudgeon Pins and Pin Locks.
Ross Racing Pistons:
All ROSS Racing Pistons (since 1985) have been forged from 2618 billet bar stock and have been heat treated and aged to a T61 condition (2618-T61). 2618-T61 is the material that is used when fatigue resistance and durability are of prime importance by all premium racing piston manufacturers.
This material has less than 1% silicon particulate content. High silicon content pistons (forged from 4032 or MS75) will not stand up to the most extreme stress placed on many racing pistons. If a crack starts to form in a high silicon piston it will continue until the piston experiences a catastrophic failure. Simply stated, adding sand to the aluminum only makes it more brittle. In the rare instance of a 2618-T61 piston cracking, the crack will continue to an area where the stress is not as great and will then stop. Another advantage of 2618-T61 over the high silicon pistons is the ability to keep its shape under extreme pressure and high RPM's. "Skirt Shrinking" is not a problem with ROSS Racing Pistons.
| Product Name | Holden / Buick V6 Ecotec Ross Racing Turbo / Supercharged Pistons |
|---|---|
| Brands | Ross Racing Pistons |
| Engine | Ecotech V6 |
| Make | Holden |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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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 is the recommended bore size for the Holden / Buick V6 Ecotec Ross Racing Turbo / Supercharged Pistons?
These pistons are designed for a bore size of +0.5mm, which corresponds to a 97mm bore. Ensure your engine block is properly machined to this specification for optimal fitment.
What is the compression ratio of these pistons and how does it affect performance?
The pistons have a compression ratio of 9.0:1, which is suitable for both turbocharged and supercharged applications. This ratio provides a good balance between power and reliability, but tuning and fuel quality will also significantly impact performance.
What material are these pistons made from and why is it important?
These pistons are forged from 2618 billet bar stock and heat treated to a T61 condition. This material offers superior fatigue resistance and durability compared to high silicon content pistons, making them ideal for high-stress racing environments.
Do these pistons come with all necessary components for installation?
Yes, the Holden / Buick V6 Ecotec Ross Racing Pistons come complete with rings, gudgeon pins, and pin locks, ensuring you have everything needed for installation.
What machining considerations should I keep in mind when using these pistons?
When using these pistons, it's crucial to ensure correct bore clearance and set the ring gaps according to your specific application. Proper machining will help achieve optimal performance and reliability, especially under high boost conditions.
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