Forged Pistons for Acura/Honda, D16A6, CH 1.163, 75.5mm, 9:1 (CP Pistons SC7056)
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|
Make |
Honda |
|
Model |
D16A6 |
|
Part Number |
SC7056 |
|
Cylinders |
4 |
|
Bore (in) |
2.972 |
|
Bore (mm) |
75.5 |
|
Size |
+0.5mm |
|
Stroke |
90 |
|
Conrod |
137 |
|
Comp Height (in) |
1.163 |
|
Comp Height (mm) |
29.5 |
|
Dom/Dish CC |
-6.1 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
248 |
|
Pin (mm) |
19 |
|
Rings |
CPN-2972 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
748-2250-15CP1C |
|
Upgraded Pin |
748-2250-15CP3C |
|
Ultra Duty Pin |
NA |
|
Locks |
748x050 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, D16A6, CH 1.163, 75.5mm, 9:1 (CP Pistons SC7056) |
|---|---|
| Brands | CP Carrillo |
| Engine | D16 |
| Make | Honda |
Delivery & Freight
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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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 SC7056 pistons?
For the SC7056 pistons, a typical bore clearance of 0.0015" to 0.0020" is recommended. This ensures proper thermal expansion and reduces the risk of piston seizure. Always verify with your engine builder for specific requirements based on your application.
What compression ratio can I expect with the SC7056 pistons in a D16A6 engine?
The SC7056 pistons provide a compression ratio of 9:1 when used in a D16A6 engine. However, actual compression may vary based on factors such as head gasket thickness and combustion chamber volume, so it's essential to measure these accurately during assembly.
Are the SC7056 pistons compatible with aftermarket camshafts?
Yes, the SC7056 pistons are designed with deep valve reliefs to accommodate high lift camshafts and oversized valves. This feature allows for improved airflow and performance when using aftermarket camshafts.
What type of wrist pins are included with the SC7056 pistons?
The SC7056 pistons come with standard wrist pins (part number 748-2250-15CP1C) included at no additional cost. If you require upgraded pins, you can opt for the upgraded version (748-2250-15CP3C) for enhanced durability.
What machining processes should be performed before installing the SC7056 pistons?
Before installing the SC7056 pistons, ensure that the cylinder bores are honed to the correct size and finish. It's also crucial to check ring gaps and adjust them according to your specific application. Proper machining will help achieve optimal performance and reliability.
