Small Block Chevy ASCS Sprint Car 4.165 Bore 3.335 stroke 6.00 Rod 1.250 CH 14cc Dome 14.5 cr, Vert Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRE1365-040)
Small Block Chevy Dish -14.9cc All 23 Heads 4.030 Bore,3.480 stroke, 6.000 rod 9.1 to 1 comp with a 64cc head (CP Bullets BC1028-030)
Small Block Chevy Dish -14.9cc All 23 Heads 4.030 Bore,3.480 stroke, 5.700 rod 9.1 to 1 comp with a 64cc head (CP Bullets BC1029-030)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1029-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
3.48 |
|
Rod Length (in) |
5.7 |
|
Comp Height |
1.56 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
-0.083 |
|
Dom/Dish CC |
-14.9 |
|
Compression Ratio |
9 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
355 |
|
Piston Weight |
482 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dish -14.9cc All 23 Heads 4.030 Bore,3.480 stroke, 5.700 rod 9.1 to 1 comp with a 64cc head (CP Bullets BC1029-030) |
|---|---|
| Brands | CP Carrillo |
| Engine | SB Chevrolet / Holden |
| 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 compression ratio can I expect with the BC1029-030 pistons?
The BC1029-030 pistons are designed to achieve a compression ratio of approximately 9.1:1 when used with a 64cc cylinder head. However, actual compression may vary based on factors such as head gasket thickness and combustion chamber modifications.
What is the recommended bore clearance for these pistons?
For the BC1029-030 pistons, a typical bore clearance of 0.0030" to 0.0040" is recommended. This clearance can vary based on the specific application and intended use, so it is essential to consult with your engine builder for precise specifications.
Are there any specific machining requirements for the BC1029-030 pistons?
Yes, the BC1029-030 pistons may require specific machining such as honing of the cylinder bores to ensure proper fitment. Additionally, ring gaps should be set according to the engine's intended use and RPM range, so consult your engine builder for the best practices.
What is the weight of the BC1029-030 pistons, and how does it affect performance?
The BC1029-030 pistons weigh 482 grams each. While lighter pistons can improve engine response and reduce reciprocating mass, it's important to balance them with the rest of the rotating assembly to maintain reliability and performance.
Do the BC1029-030 pistons come with valve reliefs, and how many?
Yes, the BC1029-030 pistons feature two valve reliefs. This design allows for compatibility with various camshaft profiles while ensuring sufficient clearance for valve operation.
