Small Block Chevy Dome +5cc All 23 Heads 4.030 Bore,3.625 stroke, 6.000 rod 11.6 to 1 comp with a 64cc head (CP Bullets BC1041-030)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1041-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
3.625 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.187 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
0.25 |
|
Dom/Dish CC |
5.1 |
|
Compression Ratio |
11.6 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
370 |
|
Piston Weight |
426 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dome +5cc All 23 Heads 4.030 Bore,3.625 stroke, 6.000 rod 11.6 to 1 comp with a 64cc head (CP Bullets BC1041-030) |
|---|---|
| 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 compression ratio for the BC1041-030 pistons with a 64cc head?
The BC1041-030 pistons are designed to achieve an 11.6 to 1 compression ratio when used with a 64cc head. However, it's crucial to confirm that your engine's specific setup, including head gasket thickness and combustion chamber volume, aligns with this ratio.
What are the specific machining requirements for the BC1041-030 pistons?
When installing the BC1041-030 pistons, ensure that the bore clearance is set according to the manufacturer's specifications. Additionally, check that the ring gaps are appropriately sized for your application to prevent issues under high RPM and load.
Can I use the BC1041-030 pistons with different stroke lengths?
The BC1041-030 pistons are specifically designed for a 3.625 inch stroke. Using them with a different stroke length may lead to compatibility issues, including incorrect compression ratios and potential clearance problems.
What is the weight of the BC1041-030 pistons, and how does it affect performance?
The BC1041-030 pistons weigh 426 grams. While this weight is typical for performance applications, it's important to consider the overall rotating assembly balance. Heavier pistons can affect engine response and revving characteristics, so ensure your crankshaft and rods are matched accordingly.
What type of valve reliefs do the BC1041-030 pistons have?
The BC1041-030 pistons feature two valve reliefs. This design is intended to provide adequate clearance for the valves in a Small Block Chevy engine, but it's essential to verify that your specific camshaft profile and valve sizes will not interfere with the piston during operation.
