Chevy 428ci ASCS 4.125 Bore 1.000 CH 8cc Dome - Lefts & Rights (CP Bullets BCRE1215-STD)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BCRE1215-STD |
|
Bore (in) |
4.125 |
|
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 |
428 |
|
Piston Weight |
420 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy 428ci ASCS 4.125 Bore 1.000 CH 8cc Dome - Lefts & Rights (CP Bullets BCRE1215-STD) |
|---|---|
| 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-STD pistons?
For the BCRE1215-STD pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, always confirm with your engine builder as specific clearances may vary based on application and thermal expansion considerations.
What compression ratio can I expect with these pistons in a 428ci Small Block Chevy?
The BCRE1215-STD pistons provide a compression ratio of approximately 14.3:1 when used with 64cc cylinder heads. Ensure that your engine is properly tuned to handle this high compression for optimal performance and reliability.
What type of ring set should I use with the BCRE1215-STD pistons?
These pistons are designed for a ring thickness of 1.0 x 1.0 x 2.0mm. Select a quality ring set that matches these dimensions and is suitable for your intended use, whether it be racing or performance applications.
Do I need to machine the piston pin bores for the BCRE1215-STD pistons?
The piston pin bores on the BCRE1215-STD pistons are designed for a .927" pin diameter. Depending on your connecting rods, you may need to verify and potentially hone the pin bores for proper fitment.
What is the weight of the BCRE1215-STD pistons, and how does it affect my engine build?
The BCRE1215-STD pistons weigh 420 grams each. This weight is suitable for high-performance applications, but keep in mind that lighter pistons can improve engine response and reduce stress on the rotating assembly. Balance your rotating assembly accordingly.
