Small Block Chevy Dome +5cc All 23 Heads 4.135 Bore,4.000 stroke, 6.000 rod 13.8 to 1 comp with a 62cc head (CP Bullets BC1112-010)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1112-010 |
|
Bore (in) |
4.135 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6 |
|
Comp Height |
1 |
|
Head Type |
All 23 deg |
|
Head CC |
62 |
|
Dome / Dish Height |
0.235 |
|
Dom/Dish CC |
5.1 |
|
Compression Ratio |
13.8 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
430 |
|
Piston Weight |
416 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dome +5cc All 23 Heads 4.135 Bore,4.000 stroke, 6.000 rod 13.8 to 1 comp with a 62cc head (CP Bullets BC1112-010) |
|---|---|
| Brands | CP Carrillo |
| Engine | SB Chevrolet / Holden |
| 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 and stroke for the BC1112-010 pistons?
The BC1112-010 pistons are designed for a bore of 4.135 inches and a stroke of 4.000 inches, making them suitable for a Small Block Chevrolet engine with a 6.000 inch rod length.
What compression ratio can I expect with these pistons and a 62cc head?
These pistons will yield a compression ratio of 13.8 to 1 when used with a 62cc cylinder head. Ensure that your engine is properly tuned to handle this high compression.
What are the valve relief specifications for the BC1112-010 pistons?
The BC1112-010 pistons feature two valve reliefs, which are essential for clearance with the valves in a Small Block Chevy engine. Always verify clearance during assembly.
What is the piston weight for the BC1112-010, and how does it affect performance?
The BC1112-010 pistons weigh 416 grams. This weight can influence engine balance and performance, particularly at high RPMs. Ensure your rotating assembly is balanced accordingly.
Are there any specific machining requirements for these pistons?
Yes, ensure that the bore clearance is set correctly according to your engine's specifications. Additionally, check ring gaps and adjust them based on your intended use and power levels.
