Chevy 431ci ASCS 4.140 Bore 1.000 CH 8cc Dome Vert Gas Ports - Lefts & Rights (CP Bullets BCRE1215-015)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BCRE1215-015 |
|
Bore (in) |
4.14 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6 |
|
Comp Height |
1 |
|
Head Type |
ASCS |
|
Head CC |
64 |
|
Dome / Dish Height |
0.275 |
|
Dom/Dish CC |
8 |
|
Compression Ratio |
14.3 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.0 x 1.0 x 2.0mm |
|
VR Depth |
-.335 / SP |
|
Cubic Inch |
431 |
|
Piston Weight |
421 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy 431ci ASCS 4.140 Bore 1.000 CH 8cc Dome Vert Gas Ports - Lefts & Rights (CP Bullets BCRE1215-015) |
|---|---|
| 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 BCRE1215-015 pistons?
For the BCRE1215-015 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this may vary based on your engine's specific application and operating conditions. Always consult with your engine builder for precise measurements.
What compression ratio can I expect with the BCRE1215-015 pistons?
The BCRE1215-015 pistons provide a compression ratio of approximately 14.3:1 when used with a 64cc combustion chamber. Ensure that your engine is properly tuned to handle this compression level, as it may require high-octane fuel and specific tuning for optimal performance.
What type of ring set is compatible with the BCRE1215-015 pistons?
The BCRE1215-015 pistons are designed to use a ring set with dimensions of 1.0 x 1.0 x 2.0mm. Ensure that the rings are properly gapped according to your engine's specifications for best performance and longevity.
What is the weight of the BCRE1215-015 pistons and how does it affect my engine build?
The BCRE1215-015 pistons weigh 421 grams each. This weight can impact the overall balance and reciprocating mass of your engine. It's important to consider this when selecting other components, such as connecting rods and crankshafts, to maintain optimal performance.
Are there any specific machining requirements for the BCRE1215-015 pistons?
Yes, the BCRE1215-015 pistons may require specific machining to achieve the correct bore clearance and ring gap. Additionally, ensure that the piston-to-valve clearance is adequate, especially given the dome height and valve reliefs. Consult with your engine builder for detailed machining requirements.
