Forged Pistons for Acura/Honda, B20 or Sleeved B18 Block w/B16A or B18C Head, 84.5mm, 10.6:1 B18C (CP Pistons SC7003)
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|
Make |
Acura/Honda |
|
Model |
B20 or Sleeved B18 Block w/B16A or B18C Head |
|
Part Number |
SC7003 |
|
Cylinders |
4 |
|
Bore (in) |
3.327 |
|
Bore (mm) |
84.5 |
|
Size |
+0.5mm |
|
Stroke |
87.2/89 |
|
Conrod |
138/137 |
|
Comp Height (in) |
1.181 |
|
Comp Height (mm) |
30 |
|
Dom/Dish CC |
-3 |
|
Compression Ratio |
10.2 FT |
|
Weight (Grams) |
320 |
|
Pin (mm) |
21 |
|
Rings |
CPN-3327 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
827-2250-20CP1C |
|
Upgraded Pin |
827-2250-20CP3C |
|
Ultra Duty Pin |
827-2250-25CP3C |
|
Locks |
827x063 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 Acura/Honda, B20 or Sleeved B18 Block w/B16A or B18C Head, 84.5mm, 10.6:1 B18C (CP Pistons SC7003) |
|---|---|
| Brands | CP Carrillo |
| Engine | B16 - Honda, B18 - Honda |
| Make | Honda |
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 compression ratio for the SC7003 pistons in a B20 or sleeved B18 block?
The SC7003 pistons are designed to achieve a compression ratio of 10.2:1 when used in a B20 or sleeved B18 block with a B16A or B18C head. Ensure that your engine is properly assembled and tuned to maximise performance and reliability.
What are the specific machining requirements for installing SC7003 pistons?
When installing SC7003 pistons, ensure that the bore clearance is set correctly according to your engine's specifications. Additionally, verify that the ring gaps are appropriately set for your application. It's crucial to check for any necessary honing of the cylinder bores to achieve the correct fit.
Can the SC7003 pistons accommodate high lift camshafts?
Yes, the SC7003 pistons feature deep valve reliefs that can accommodate high lift camshafts. This design allows for the use of oversized valves and ensures that there is sufficient clearance during operation.
What is the weight of the SC7003 pistons, and how does it affect engine performance?
The SC7003 pistons weigh 320 grams each. Lighter pistons can contribute to improved engine response and higher RPM capabilities, but it's essential to balance them with the rest of the rotating assembly to maintain reliability and performance.
What type of wrist pins are included with the SC7003 pistons?
The SC7003 pistons come standard with wrist pins included at no additional cost. The standard wrist pin size is 21mm, and you have options for upgraded and ultra-duty pins if additional strength is required for high-performance applications.
