Chevrolet Late Model SBC 350 Flat Top X-Style Forgings - Two Barrel Design 357, Bore 4.030, CH 1.250, Stroke 3.500, Rod 6.000 (CP Pistons S1720)
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|
Make |
Chevrolet |
|
Engine Type |
Late Model SBC 350 Flat Top X Style Forgings - Two Barrel Design |
|
Part Number |
S1720 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
3.5 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.25 |
|
Dome / Dish Height |
F.T |
|
Dom/Dish CC |
-2 |
|
Pin |
.927 x 2.000 |
|
Ring Thickness |
.043 x .043 x 3.0mm |
|
VR Depth Int/Exh |
-.185 / SP |
|
Piston Weight |
330 |
|
Gas Port |
Yes |
|
Capacity |
357 |
|
Shlef (RPO) or Made to Order (MTO) |
MTO |
Super lightweight design, Designed for shorter wrist pins; .900 wide or less connecting rod is required; Chamfered pins and wire locks included; Gas ports and cp grooves included; Accumulator and anti detonation grooves included. Notes: D - Rail Support included, E - Can be used with 3.750 Stroke & 6.000 Rod, G - Supplied with Wire Locks.
| Product Name | Chevrolet Late Model SBC 350 Flat Top X-Style Forgings - Two Barrel Design 357, Bore 4.030, CH 1.250, Stroke 3.500, Rod 6.000 (CP Pistons S1720) |
|---|---|
| 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 S1720 pistons?
The recommended bore clearance for the S1720 pistons is typically around 0.0030" to 0.0035". However, this can vary based on your specific engine build and the materials used, so it's best to consult with your engine builder for precise measurements.
Can the S1720 pistons be used with a 3.750 stroke crankshaft?
Yes, the S1720 pistons can be used with a 3.750 stroke crankshaft. This flexibility allows for various engine configurations, but ensure that all clearances and compatibility are verified during assembly.
What type of connecting rods are compatible with the S1720 pistons?
The S1720 pistons require connecting rods with a wrist pin width of .900" or less. Ensure that your rods are compatible with the piston design to maintain optimal performance.
What is the weight of the S1720 pistons and how does it affect performance?
The S1720 pistons weigh 330 grams each. This lightweight design contributes to reduced reciprocating mass, which can enhance engine responsiveness and RPM capabilities, but always consider the overall balance of the rotating assembly.
What are the features of the S1720 pistons that enhance performance?
The S1720 pistons feature gas ports, accumulator grooves, and anti-detonation grooves, which help improve combustion efficiency and reduce the risk of detonation. These features are designed to optimise performance in high-stress applications.
