Small Block Chevy Dome +5cc All 23 Heads 4.045 Bore,3.750 stroke, 5.700 rod 12.2 to 1 comp with a 64cc head (CP Bullets BC1046-045)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1046-045 |
|
Bore (in) |
4.045 |
|
Stroke (in) |
3.75 |
|
Rod Length (in) |
5.7 |
|
Comp Height |
1.425 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
0.25 |
|
Dom/Dish CC |
5.1 |
|
Compression Ratio |
12.2 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
386 |
|
Piston Weight |
462 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dome +5cc All 23 Heads 4.045 Bore,3.750 stroke, 5.700 rod 12.2 to 1 comp with a 64cc head (CP Bullets BC1046-045) |
|---|---|
| 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 BC1046-045 pistons with a 64cc head?
The BC1046-045 pistons are designed to achieve a compression ratio of 12.2:1 when used with a 64cc cylinder head. Ensure that your engine's assembly is properly tuned to handle this compression ratio.
What machining is required for the BC1046-045 pistons?
When installing the BC1046-045 pistons, it is crucial to ensure the bore clearance is set correctly. Additionally, check that the ring gaps are properly adjusted according to your specific application and operating conditions.
Can I use the BC1046-045 pistons in a standard small block Chevy application?
The BC1046-045 pistons are designed for performance applications and may not be suitable for standard small block Chevy builds without modifications. Ensure your engine is built to handle the increased compression and power potential.
What is the piston weight of the BC1046-045, and how does it affect performance?
The BC1046-045 pistons weigh 462 grams. This weight can influence engine balance and performance, especially at higher RPMs. Consider this when selecting components for your rotating assembly.
What type of valve reliefs do the BC1046-045 pistons have?
The BC1046-045 pistons feature two valve reliefs. Ensure that your cylinder heads are compatible and that the valve timing is set correctly to avoid interference.
