Forged Pistons for Audi/ VW, 1.8L 20 Valve (Stroker) 20mm pin, 82.5mm, 8.5:1 (CP Pistons SC7608)
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|
Make |
Audi/VW |
|
Model |
1.8L 20 Valve (Stroker) |
|
Part Number |
SC7608 |
|
Cylinders |
4 |
|
Bore (in) |
3.248 |
|
Bore (mm) |
82.5 |
|
Size |
+1.5mm |
|
Stroke |
92.8 |
|
Conrod |
144 |
|
Comp Height (in) |
1.16 |
|
Comp Height (mm) |
29.5 |
|
Dom/Dish CC |
-15.2 |
|
Compression Ratio |
8.5 |
|
Weight (Grams) |
277 |
|
Pin (mm) |
20 |
|
Rings |
CPN-3248 |
|
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, 82.5mm, 8.5:1 (CP Pistons SC7608) |
|---|---|
| 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 machining is required for the SC7608 pistons?
The SC7608 pistons will require correct bore clearance to be established by the engine builder. Ensure that the cylinder bores are honed to the appropriate size for these 82.5mm pistons, and verify that ring gaps are set according to your specific application and power goals.
What is the recommended compression ratio for the SC7608 pistons?
The SC7608 pistons have a compression ratio of 8.5:1. This ratio is suitable for applications where moderate boost levels are expected, but always ensure that the overall engine setup, including fuel quality and tuning, supports this compression for optimal performance.
Can I use the SC7608 pistons with upgraded valve sizes?
Yes, the SC7608 pistons are designed with deep valve reliefs to accommodate oversized valves and high lift camshafts. Ensure that your cylinder head modifications align with the piston design to prevent any clearance issues.
What is the weight of the SC7608 pistons, and how does it affect performance?
The SC7608 pistons weigh 277 grams each. This lightweight design contributes to reduced reciprocating mass, which can improve engine response and overall performance. However, always consider the balance of the entire rotating assembly for optimal results.
What type of wrist pins are included with the SC7608 pistons?
The SC7608 pistons come with standard wrist pins (20mm) included at no additional cost. If you require upgraded or ultra-duty pins, options are available, but ensure that they are compatible with your specific application and performance goals.
