Forged Pistons for Audi 2.0L/2.5L TSI 22mm pin, 83.5mm (+1.0mm oversize) 9.5:1 (CP Pistons SC7636)
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|
Make |
VW/Audi |
|
Model |
2.0L/2.5L TSI |
|
Part Number |
SC7636 |
|
Cylinders |
4 or 5 |
|
Bore (in) |
3.2874 |
|
Bore (mm) |
83.5 |
|
Size |
+1.0mm |
|
Stroke |
92.8 |
|
Conrod |
144 |
|
Comp Height (in) |
1.165 |
|
Comp Height (mm) |
29.6 |
|
Dom/Dish CC |
-10.19 |
|
Compression Ratio |
9.5 |
|
Weight (Grams) |
311 |
|
Pin (mm) |
22 |
|
Rings |
CPN-3287 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
866-2250-18CP1C |
|
Upgraded Pin |
866-2250-20CP3C |
|
Ultra Duty Pin |
866-2250-25CP3C |
|
Locks |
866x063 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 2.0L/2.5L TSI 22mm pin, 83.5mm (+1.0mm oversize) 9.5:1 (CP Pistons SC7636) |
|---|---|
| Brands | CP Carrillo |
| Engine | TSI |
| 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 SC7636?
For the CP Pistons SC7636, a typical bore clearance of 0.0015" to 0.0020" is recommended. However, this can vary based on the specific engine build and operating conditions, so always consult with your engine builder for precise specifications.
What compression ratio do the SC7636 pistons provide?
The CP Pistons SC7636 are designed to achieve a compression ratio of 9.5:1 when installed in an Audi 2.0L/2.5L TSI engine. Ensure that your engine's combustion chamber and head gasket configuration are compatible to maintain this ratio.
Can I use these pistons with upgraded valve sizes?
Yes, the CP Pistons SC7636 feature deep valve reliefs that accommodate oversized valves, making them suitable for applications with +1mm valve sizes. This allows for improved airflow and performance when using high lift camshafts.
What is the weight of the SC7636 pistons and how does it affect performance?
The SC7636 pistons weigh 311 grams each. Lighter pistons can contribute to reduced reciprocating mass, which may improve engine response and RPM capabilities. However, ensure that your engine's balance and overall design can accommodate this weight.
What type of wrist pins are included with the SC7636 pistons?
The CP Pistons SC7636 come with standard wrist pins (part number 866-2250-18CP1C) included at no additional cost. Upgraded and ultra-duty wrist pins are also available if additional strength is required for high-performance applications.
