Chevrolet 13° Flat Top 400 Chevrolet 435, Bore 4.165, CH 1.000, Stroke 4.000, Rod 6.000 - Lefts & Rights (CP Pistons S2405)
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|
Make |
Chevrolet |
|
Engine Type |
13˚ Flat Top 400 Chevy |
|
Part Number |
S2405 |
|
Bore (in) |
4.165 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6 |
|
Comp Height |
1 |
|
Dome / Dish Height |
F.T |
|
Dom/Dish CC |
-8.8 |
|
Pin |
.927 x 2.750 |
|
Ring Thickness |
.043 x .043 x 3.0mm |
|
VR Depth Int/Exh |
-.300 / SP |
|
Piston Weight |
432 |
|
Gas Port |
Yes |
|
Capacity |
436 |
|
Shlef (RPO) or Made to Order (MTO) |
MTO |
Dedicated right and left forgings; Pin-fitting included at no cost; Chamfered pins and wire locks included; Accumulator and anti-detonation grooves included; Double pin oilers, force fed from oil ring; Radius valve reliefs; Balanced to +/- 1 gram; Pick lock grooves for easy lock removal; Domes may be cut to a flat top; Designed for back-cut rings; Custom skirt cam and barrel shapes; Fully CNC Machined. Notes: D – Rail Support included, G – Supplied with Wire Locks
| Product Name | Chevrolet 13° Flat Top 400 Chevrolet 435, Bore 4.165, CH 1.000, Stroke 4.000, Rod 6.000 - Lefts & Rights (CP Pistons S2405) |
|---|---|
| Brands | CP Carrillo |
| Engine | Chev |
| Make | GM |
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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 S2405 pistons?
The recommended bore clearance for the S2405 pistons is typically around 0.0030" to 0.0035". However, it's essential to confirm this with your engine builder as specific clearances can vary based on the application and intended use.
What type of ring gaps should I use with the S2405 pistons?
For the S2405 pistons, ring gaps should generally be set according to the manufacturer's specifications and the engine's intended use. A common starting point for performance applications is 0.004" per inch of bore diameter, but always consult your engine builder for precise settings.
Are the S2405 pistons suitable for high boost applications?
Yes, the S2405 pistons can be used in high boost applications, provided that the engine is properly built and tuned. Ensure that you have adequate clearance, correct tuning, and quality fuel to maintain reliability under increased boost levels.
What is the weight of the S2405 pistons and how does it affect performance?
The S2405 pistons weigh 432 grams each. Lighter pistons can improve engine response and reduce reciprocating mass, which can enhance performance. However, ensure that your connecting rods and crankshaft are rated to handle the performance levels you aim for.
Do the S2405 pistons require any special machining?
Yes, the S2405 pistons may require specific machining for optimal fitment, including honing of the cylinder bores and ensuring proper ring land clearance. Always consult with your engine builder to determine the necessary machining for your specific setup.
