Forged Pistons for Audi/ VW, 1.8L 20 Valve (Stroker) 20mm pin, 83mm, 9.5:1 (CP Pistons SC7619)
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|
Make |
Audi/VW |
|
Model |
1.8L 20 Valve (Stroker) |
|
Part Number |
SC7619 |
|
Cylinders |
4 |
|
Bore (in) |
3.268 |
|
Bore (mm) |
83 |
|
Size |
+2.0mm |
|
Stroke |
92.8 |
|
Conrod |
144 |
|
Comp Height (in) |
1.16 |
|
Comp Height (mm) |
29.5 |
|
Dom/Dish CC |
-8.1 |
|
Compression Ratio |
9.5 |
|
Weight (Grams) |
292 |
|
Pin (mm) |
20 |
|
Rings |
CPN-3268 |
|
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 (Stroker) 20mm pin, 83mm, 9.5:1 (CP Pistons SC7619) |
|---|---|
| Brands | CP Carrillo |
| Engine | 1.8L 20 Valve - stroker |
| 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 CP Pistons SC7619?
For the CP Pistons SC7619, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, this can vary based on the specific application and engine builder preferences. Always consult with your engine builder for the best clearance based on your setup.
What type of ring gaps should I use with these pistons?
The ring gaps for the CP Pistons SC7619 should be set according to the intended use of the engine. A common starting point is 0.004" per inch of bore for the top ring and 0.003" per inch for the second ring. Adjustments may be necessary based on boost levels and RPM.
Can I use these pistons with high lift camshafts?
Yes, the CP Pistons SC7619 are designed with deep valve reliefs to accommodate high lift camshafts, making them suitable for performance applications that require increased valve lift.
What is the weight of the CP Pistons SC7619, and how does it affect performance?
The CP Pistons SC7619 weigh 292 grams each. Lighter pistons can improve engine response and reduce reciprocating mass, which can enhance performance, especially in high RPM applications. However, ensure that your engine is built to handle the specific performance characteristics.
What is the compression ratio of the CP Pistons SC7619, and how does it affect my engine's performance?
The CP Pistons SC7619 have a compression ratio of 9.5:1. This ratio is suitable for a balance of power and reliability, particularly in turbocharged applications. Keep in mind that actual performance will depend on tuning, fuel quality, and overall engine setup.
