Chevrolet 400ci 18° Dome, Bore 4.165, CH 1.062 - Lefts & Rights (CP Pistons S2155)
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|
Make |
Chevrolet |
|
Engine Type |
18˚ Dome 400 Chevy - 1.5 x 1.5 x 3.0mm ring set |
|
Part Number |
S2155 |
|
Bore (in) |
4.165 |
|
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 |
461 |
|
Gas Port |
Yes |
|
Capacity |
422 |
|
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 4.165, CH 1.062 - Lefts & Rights (CP Pistons S2155) |
|---|---|
| Brands | CP Carrillo |
| Engine | Chev |
| Make | GM |
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 bore clearance for the S2155 pistons?
For the S2155 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, final clearance should be determined by the engine builder based on specific application and tolerances.
What type of ring set is included with the S2155 pistons?
The S2155 pistons come with a 1.5 x 1.5 x 3.0mm ring set, which is suitable for high-performance applications. Ensure proper ring gap settings are established during installation.
What is the weight of the S2155 pistons, and how does it affect engine performance?
The S2155 pistons weigh 461 grams each. This weight is designed to balance performance and durability, but it is essential to consider the overall rotating assembly weight for optimal engine balance and performance.
Do the S2155 pistons require any specific machining before installation?
Yes, the S2155 pistons may require specific machining for proper fitment, including checking for bore clearance and ensuring the wrist pin fit is correct. Always consult with your engine builder for precise requirements.
What is the significance of the accumulator groove in the S2155 pistons?
The accumulator groove in the S2155 pistons allows for better oil control and distribution to the piston skirts, enhancing lubrication and reducing wear during high-performance operation.
