Forged Pistons for Toyota 4AGE 16V 82 9:1 ( CP Pistons SC7651)
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|
Make |
Toyota |
|
Model |
4AG 16V |
|
Part Number |
SC7651 |
|
Cylinders |
4 |
|
Bore (in) |
3.228 |
|
Bore (mm) |
82 |
|
Size |
+1.0mm |
|
Stroke |
77 |
|
Conrod |
122 |
|
Comp Height (in) |
1.208 |
|
Comp Height (mm) |
30.7 |
|
Dom/Dish CC |
-9.3 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
294 |
|
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 Toyota 4AGE 16V 82 9:1 ( CP Pistons SC7651) |
|---|---|
| Brands | CP Carrillo |
| Engine | 4AGE |
| Make | Toyota |
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 SC7651 pistons in a Toyota 4AGE?
The SC7651 pistons are designed for a compression ratio of 9:1 when used in a Toyota 4AGE engine. Ensure that your engine's overall setup, including head gasket thickness and combustion chamber volume, supports this ratio for optimal performance.
What are the specific machining requirements for installing SC7651 pistons?
When installing SC7651 pistons, ensure that the bore clearance is set correctly according to your engine's specifications. Additionally, check that the ring gaps are properly set, as this is crucial for performance and longevity. It's also advisable to verify that the pistons are balanced with the full rotating assembly.
Can I use the SC7651 pistons with high lift camshafts?
Yes, the SC7651 pistons feature deep valve reliefs that accommodate high lift camshafts. This design allows for compatibility with oversized valves and enhances performance in modified engines.
What is the weight of the SC7651 pistons and how does it affect engine performance?
The SC7651 pistons weigh 294 grams each. Lighter pistons can improve engine response and reduce reciprocating mass, which may enhance performance. However, ensure that your engine's components are balanced to maintain reliability and performance.
What type of wrist pins are included with the SC7651 pistons?
The SC7651 pistons come with standard wrist pins included at no additional cost. For those looking for increased performance, upgraded and ultra-duty wrist pins are also available for purchase.
