Forged Pistons for Audi/ VW, 1.8L 20 Valve, 20mm pin, 81mm, 9.5:1 (CP Pistons SC7610)
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|
Make |
Audi/VW |
|
Model |
1.8L 20 Valve |
|
Part Number |
SC7610 |
|
Cylinders |
4 |
|
Bore (in) |
3.189 |
|
Bore (mm) |
81 |
|
Size |
STD |
|
Stroke |
86.4 |
|
Conrod |
144 |
|
Comp Height (in) |
1.287 |
|
Comp Height (mm) |
32.7 |
|
Dom/Dish CC |
-1.8 |
|
Compression Ratio |
9.5 |
|
Weight (Grams) |
294 |
|
Pin (mm) |
20 |
|
Rings |
CPN-3189 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
787-2250-16CP1C |
|
Upgraded Pin |
787-2250-18CP3C |
|
Ultra Duty Pin |
787-2250-24CP3C |
|
Locks |
787X050 SWL |
CP pistons are compatible with oversized valves and high lift camshafts. CP Pistons represent the highest quality and is engineered for maximum power. Standard features include: Deep valve reliefs accommodate high lift camshafts; Larger valve reliefs for +1mm valve sizes; Custom skirt cam and barrel design; Accumulator grooves; High strength aluminum forgings; High performance rings; Fully CNC machined and balanced to +/- 1 gram; Wrist pins included at no additional cost; Double pin oilers force fed from oil ring groove; Pin lock grooves for easy lock removal; Pin fitting included.
| Product Name | Forged Pistons for Audi/ VW, 1.8L 20 Valve, 20mm pin, 81mm, 9.5:1 (CP Pistons SC7610) |
|---|---|
| Brands | CP Carrillo |
| Engine | 1.8L 20 Valve |
| Make | Audi |
Delivery & Freight
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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 clearance for the SC7610 pistons?
The recommended bore clearance for the SC7610 pistons in a 1.8L 20 Valve engine typically ranges from 0.0015" to 0.0025". However, it's essential to verify this with your specific engine build and ensure proper fitting.
What compression ratio can I expect with the SC7610 pistons?
The SC7610 pistons have a compression ratio of 9.5:1 when used in a standard 1.8L 20 Valve engine. This ratio is suitable for a balance of performance and reliability, but always consider your specific tuning and fuel quality.
Are the SC7610 pistons compatible with high lift camshafts?
Yes, the SC7610 pistons feature deep valve reliefs designed to accommodate high lift camshafts. This allows for greater airflow and performance potential, making them suitable for performance builds.
What type of wrist pins are included with the SC7610 pistons?
The SC7610 pistons come with standard 20mm wrist pins included at no additional cost. Upgraded and ultra-duty pins are also available for those looking for additional strength in high-performance applications.
What machining considerations should I keep in mind when using SC7610 pistons?
When using SC7610 pistons, ensure that the cylinder bore is properly honed to match the piston size and that ring gaps are set according to your engine's specifications. Additionally, consider balancing the crankshaft with the full rotating assembly for optimal performance.
