Forged Pistons for Acura/Honda, B16A, 81mm, 9:1 or B18 Block w/B16A or B18C Head 9.8:1 (CP Pistons SC7015)
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|
Make |
Acura |
|
Model |
B18 Block w/B16A or B18C Head |
|
Part Number |
SC7015 |
|
Cylinders |
4 |
|
Bore (in) |
3.189 |
|
Bore (mm) |
81 |
|
Size |
STD |
|
Stroke |
87.2/89 |
|
Conrod |
138/137 |
|
Comp Height (in) |
1.181 |
|
Comp Height (mm) |
30 |
|
Dom/Dish CC |
-3 |
|
Compression Ratio |
9.8 |
|
Weight (Grams) |
274 |
|
Pin (mm) |
21 |
|
Rings |
CPN-3189 |
|
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, B16A, 81mm, 9:1 or B18 Block w/B16A or B18C Head 9.8:1 (CP Pistons SC7015) |
|---|---|
| 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 compression ratio can I achieve with the SC7015 pistons?
The SC7015 pistons offer a compression ratio of 9.8:1 when used with a B18 block and a B16A or B18C head. This ratio is suitable for performance applications, but ensure that your engine is properly tuned to handle the increased compression.
What is the recommended bore clearance for the SC7015 pistons?
For the SC7015 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, always consult with your engine builder to determine the best clearance based on your specific application and tolerances.
Are the SC7015 pistons compatible with high lift camshafts?
Yes, the SC7015 pistons feature deep valve reliefs that accommodate high lift camshafts, making them suitable for performance builds that require enhanced airflow and power.
What type of wrist pins are included with the SC7015 pistons?
The SC7015 pistons come with standard wrist pins (827-2250-20CP1C) included at no additional cost. Upgraded and ultra-duty pins are also available for those seeking additional strength.
What machining processes should I consider for the SC7015 pistons?
When installing the SC7015 pistons, ensure that the cylinder bores are honed to the correct size and finish. Additionally, check that the ring gaps are set appropriately for your application to ensure optimal performance and reliability.
