Chevy 357ci ASCS 4.030 Bore 1.250 CH 14cc Dome Vert Gas Ports - Lefts & Rights (CP Bullets BCRE1340-030)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BCRE1340-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
3.5 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.25 |
|
Head Type |
ASCS |
|
Head CC |
58 |
|
Dome / Dish Height |
0.5 |
|
Dom/Dish CC |
14 |
|
Compression Ratio |
14.1 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.0 x 1.0 x 2.0mm |
|
VR Depth |
-.335 / SP |
|
Cubic Inch |
357 |
|
Piston Weight |
472 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Chevy 357ci ASCS 4.030 Bore 1.250 CH 14cc Dome Vert Gas Ports - Lefts & Rights (CP Bullets BCRE1340-030) |
|---|---|
| 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 BCRE1340-030 pistons?
For the BCRE1340-030 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, final clearance should be determined based on the specific application and the builder's experience.
What compression ratio can I expect with the BCRE1340-030 pistons?
The BCRE1340-030 pistons are designed to achieve a compression ratio of approximately 14.1:1 when used with 58cc cylinder heads. Ensure that your engine's overall setup supports this compression for optimal performance.
What type of fuel is recommended for the BCRE1340-030 pistons?
Due to the high compression ratio of 14.1:1, it is advisable to use high-octane racing fuel or a suitable alternative to prevent detonation. Always consider your tuning and boost levels when selecting fuel.
Are there specific machining requirements for the BCRE1340-030 pistons?
Yes, the BCRE1340-030 pistons may require specific machining for proper fitment, including honing of the cylinder bores to achieve the correct clearance. It's essential to consult with your engine builder for precise machining needs.
What is the weight of the BCRE1340-030 pistons, and how does it affect performance?
The BCRE1340-030 pistons weigh 472 grams each. While this weight is typical for performance applications, lighter pistons can improve engine response and RPM capabilities. However, balance with the rest of the rotating assembly is crucial.
