Small Block Chevy Dome +5cc All 23 Heads 4.125 Bore,3.480 stroke, 6.000 rod 11.4 to 1 comp with a 64cc head (CP Bullets BC1113-STD)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1113-STD |
|
Bore (in) |
4.125 |
|
Stroke (in) |
3.48 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.25 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
0.25 |
|
Dom/Dish CC |
5 |
|
Compression Ratio |
11.4 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
372 |
|
Piston Weight |
464 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dome +5cc All 23 Heads 4.125 Bore,3.480 stroke, 6.000 rod 11.4 to 1 comp with a 64cc head (CP Bullets BC1113-STD) |
|---|---|
| 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 clearance for the BC1113-STD pistons?
For the BC1113-STD pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, final clearance should be determined based on your specific engine build and operating conditions.
What compression ratio can I expect with the BC1113-STD pistons and a 64cc head?
The BC1113-STD pistons are designed to achieve an 11.4:1 compression ratio when used with a 64cc cylinder head. Ensure that all components are compatible and properly machined for optimal performance.
Do the BC1113-STD pistons require specific valve relief machining?
The BC1113-STD pistons come with two valve reliefs, which should accommodate most common camshaft profiles. However, it's crucial to check for clearance with your specific setup to avoid any interference.
What is the piston weight of the BC1113-STD and how does it affect performance?
The BC1113-STD pistons weigh 464 grams. Lighter pistons can improve engine response and RPM potential, but ensure your engine's rotating assembly is balanced to maintain reliability.
What is the recommended installation height for the BC1113-STD pistons?
The BC1113-STD pistons have a compression height of 1.25 inches. Ensure that your setup accounts for this height to achieve the desired compression ratio and proper piston-to-deck clearance.
