Chevrolet 400ci 18° Dome, Bore 4.125, CH 1.062 - Lefts & Rights (CP Pistons S2150)
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|
Make |
Chevrolet |
|
Engine Type |
18˚ Dome 400 Chevy - 1.5 x 1.5 x 3.0mm ring set |
|
Part Number |
S2150 |
|
Bore (in) |
4.125 |
|
Stroke (in) |
3.875 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.062 |
|
Dome / Dish Height |
0.175 |
|
Dom/Dish CC |
2.5 |
|
Pin |
.927 x 2.750 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth Int/Exh |
-.330 / SP |
|
Piston Weight |
444 |
|
Gas Port |
Yes |
|
Capacity |
414 |
|
Shlef (RPO) or Made to Order (MTO) |
MTO |
Dedicated right and left forgings; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Designed for back cut rings; Chamfered ring and wire locks; Balanced to +/- 1 gram ; Pick lock grooves for easy lock removal; Fully CNC Machined. Notes: D – Rail Support included , G – Supplied with Wire Locks
| Product Name | Chevrolet 400ci 18° Dome, Bore 4.125, CH 1.062 - Lefts & Rights (CP Pistons S2150) |
|---|---|
| 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 S2150 pistons?
For the S2150 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this may vary based on your specific engine build and operating conditions. Always consult with your engine builder for precise measurements.
What type of ring set is included with the S2150 pistons?
The S2150 pistons come with a 1.5 x 1.5 x 3.0mm ring set. Ensure that the ring gaps are set according to your application and the engine's intended use.
What is the weight of the S2150 pistons and how does it affect performance?
The S2150 pistons weigh 444 grams each. While lighter pistons can improve engine response and reduce reciprocating mass, it's essential to balance them with the entire rotating assembly to maintain reliability and performance.
Are the S2150 pistons suitable for high boost applications?
Yes, the S2150 pistons are designed for performance applications, including high boost setups. However, reliability will depend on proper tuning, fuel quality, and overall engine assembly. Always ensure adequate clearances and consider your specific power goals.
What is the significance of the dedicated right and left forgings in the S2150 pistons?
The dedicated right and left forgings in the S2150 pistons ensure optimal fit and performance in the engine. This design helps maintain balance and reduces the risk of uneven wear, contributing to better overall engine efficiency.
