Forged Pistons for Nissan CA18 84 8.5:1 (CP Pistons SC7347)
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|
Make |
Nissan |
|
Model |
CA18DET |
|
Part Number |
SC7347 |
|
Cylinders |
4 |
|
Bore (in) |
3.307 |
|
Bore (mm) |
84 |
|
Size |
+1.0mm |
|
Stroke |
83.6 |
|
Conrod |
133 |
|
Comp Height (in) |
1.181 |
|
Comp Height (mm) |
30 |
|
Dom/Dish CC |
-4.5 |
|
Compression Ratio |
8.5 |
|
Weight (Grams) |
304 |
|
Pin (mm) |
20 |
|
Rings |
CPN-3307 |
|
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 Nissan CA18 84 8.5:1 (CP Pistons SC7347) |
|---|---|
| Brands | CP Carrillo |
| Engine | CA18, CA18DET |
| Make | Nissan |
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 SC7347 pistons?
The SC7347 pistons are designed for a compression ratio of 8.5:1, making them suitable for applications where a balance of performance and reliability is desired, especially in turbocharged setups.
What are the specific machining requirements for the SC7347 pistons?
When installing SC7347 pistons, ensure that the bore clearance is set according to your engine's specifications. Additionally, verify that the ring gaps are properly set to accommodate the intended operating conditions, particularly if running higher boost levels.
Can the SC7347 pistons accommodate high lift camshafts?
Yes, the SC7347 pistons feature deep valve reliefs that are specifically designed to accommodate high lift camshafts and oversized valves, making them suitable for performance builds that require enhanced airflow.
What is the weight of the SC7347 pistons and how does it affect performance?
The SC7347 pistons weigh 304 grams each. This lightweight design helps reduce reciprocating mass, which can improve engine response and overall performance, particularly at higher RPMs.
What type of wrist pins are included with the SC7347 pistons?
The SC7347 pistons come with standard wrist pins (part number 787-2250-16CP1C) included at no additional cost. Upgraded and ultra-duty pins are also available for those seeking additional strength for high-performance applications.
