Forged Pistons for Audi/ VW, 1.8L 20 Valve, 20mm pin, 82mm, 8.5:1 (CP Pistons SC7602)
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|
Make |
Audi/VW |
|
Model |
1.8L 20 Valve |
|
Part Number |
SC7602 |
|
Cylinders |
4 |
|
Bore (in) |
3.228 |
|
Bore (mm) |
82 |
|
Size |
+1.0mm |
|
Stroke |
86.4 |
|
Conrod |
144 |
|
Comp Height (in) |
1.287 |
|
Comp Height (mm) |
32.7 |
|
Dom/Dish CC |
-10.1 |
|
Compression Ratio |
8.5 |
|
Weight (Grams) |
297 |
|
Pin (mm) |
20 |
|
Rings |
CPN-3228 |
|
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, 82mm, 8.5:1 (CP Pistons SC7602) |
|---|---|
| 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 SC7602 pistons?
For the SC7602 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, this can vary based on the specific application and operating conditions, so it's essential to consult with your engine builder for the best fit.
What compression ratio can I expect with the SC7602 pistons?
The SC7602 pistons have a compression ratio of 8.5:1. This is suitable for applications where moderate boost levels are expected, but always consider the overall engine setup, including fuel quality and tuning, to ensure reliability.
Can I use these pistons with oversized valves?
Yes, the SC7602 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 for optimal performance.
What type of wrist pins are included with the SC7602 pistons?
The SC7602 pistons come with standard wrist pins (20mm) included at no additional cost. If you require upgraded or ultra-duty pins, those are available separately.
What machining is required for the SC7602 pistons?
When installing the SC7602 pistons, ensure that the cylinder bores are honed to the correct size and finish. Additionally, verify that the ring gaps are set according to your engine's specifications for optimal performance.
