Chevy 5cc Dome All 23° 4.040 bore 1.187 CH 3.625 stroke 6.000 rod 11.8:1 CR with 64cc head (CP Bullets BC1041-040)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1041-040 |
|
Bore (in) |
4.04 |
|
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 |
11.8 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
372 |
|
Piston Weight |
433 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy 5cc Dome All 23° 4.040 bore 1.187 CH 3.625 stroke 6.000 rod 11.8:1 CR with 64cc head (CP Bullets BC1041-040) |
|---|---|
| Brands | CP Carrillo |
| Engine | Chev |
| Make | GM |
Delivery & Freight
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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 BC1041-040 pistons?
The BC1041-040 pistons are designed to achieve a compression ratio of 11.8:1 when used with a 64cc cylinder head. Ensure that your engine's setup, including the head and gasket thickness, aligns with this specification for optimal performance.
What is the pin size for the BC1041-040 pistons?
The BC1041-040 pistons feature a pin size of .927 inches with a length of 2.500 inches. Ensure that your conrods are compatible with this pin size for proper fitment.
What are the recommended ring thicknesses for the BC1041-040 pistons?
The BC1041-040 pistons come with a ring thickness of 1.5mm for both the top and second rings, and a 3.0mm oil ring. Make sure to set the ring gaps according to your engine's specifications for best performance.
Do the BC1041-040 pistons require any specific machining?
Yes, the BC1041-040 pistons may require careful bore clearance and ring gap settings as per your engine build. It's crucial to check the fitment in your specific block and ensure proper machining for optimal performance.
What is the weight of the BC1041-040 pistons?
Each BC1041-040 piston weighs 433 grams. This weight should be considered when balancing your rotating assembly to ensure smooth operation at higher RPMs.
