Small Block Chevy Dome +5cc All 23 Heads 4.060 Bore,3.500 stroke, 5.700 rod 11.5 to 1 comp with a 64cc head (CP Bullets BC1045-060)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1045-060 |
|
Bore (in) |
4.06 |
|
Stroke (in) |
3.5 |
|
Rod Length (in) |
5.7 |
|
Comp Height |
1.55 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
0.245 |
|
Dom/Dish CC |
5.1 |
|
Compression Ratio |
11.5 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
362 |
|
Piston Weight |
483 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dome +5cc All 23 Heads 4.060 Bore,3.500 stroke, 5.700 rod 11.5 to 1 comp with a 64cc head (CP Bullets BC1045-060) |
|---|---|
| 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 compression ratio can I expect with the BC1045-060 pistons?
The BC1045-060 pistons are designed to achieve an 11.5:1 compression ratio when used with a 64cc cylinder head. Ensure that your engine's specific setup, including head gasket thickness and combustion chamber volume, is accounted for to achieve this ratio.
What is the recommended bore size for the BC1045-060 pistons?
These pistons are designed for a bore size of 4.060 inches. It's crucial to ensure that your engine block is properly machined to this bore size for optimal performance and fitment.
What type of valve reliefs do the BC1045-060 pistons have?
The BC1045-060 pistons feature two valve reliefs, which are designed to accommodate typical valve sizes in Small Block Chevy applications. Always verify valve clearance during assembly to prevent interference.
What is the weight of the BC1045-060 pistons, and how does it affect my engine build?
The BC1045-060 pistons weigh 483 grams each. This weight is suitable for performance applications, but it's important to balance the entire rotating assembly to minimise vibrations and ensure engine longevity.
Do the BC1045-060 pistons require any specific machining before installation?
Yes, the BC1045-060 pistons may require specific bore clearance and ring gap settings tailored to your engine build. It's essential to consult with your engine builder to ensure proper fitment and performance.
