Small Block Chevy All 23 Heads 4.020 Bore,3.750 stroke, 5.700 rod 1.425 CH -6.83cc Flat Top 1.5mm, 1.5mm, 3mm rings (CP Bullets BC1026-020)
Small Block Chevy ASCS Sprint Car 4.05 Bore 3.550stroke 6.00 Rod 1.225 CH 12.5cc Dome 14.1 cr, Vert Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRE1330-005)
Small Block Chevy ASCS Sprint Car 4.00 Bore 3.550 stroke 6.00 Rod 1.225 CH 12.5cc Dome 14.1 cr, Vert Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRE1330-STD)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BCRE1330-STD |
|
Bore (in) |
4 |
|
Stroke (in) |
3.55 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.225 |
|
Head Type |
ASCS |
|
Head CC |
58 |
|
Dome / Dish Height |
0.5 |
|
Dom/Dish CC |
13.75 |
|
Compression Ratio |
14.2 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.0 x 1.0 x 2.0mm |
|
VR Depth |
-.335 / SP |
|
Cubic Inch |
357 |
|
Piston Weight |
457 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Small Block Chevy ASCS Sprint Car 4.00 Bore 3.550 stroke 6.00 Rod 1.225 CH 12.5cc Dome 14.1 cr, Vert Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRE1330-STD) |
|---|---|
| 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 is the recommended compression ratio for the BCRE1330-STD pistons?
The BCRE1330-STD pistons are designed for a compression ratio of approximately 14.2:1 when used with a 58cc head. Ensure that your engine build and fuel quality can support this high compression.
What are the specific machining requirements for the BCRE1330-STD pistons?
When installing the BCRE1330-STD pistons, you will need to ensure the correct bore clearance and set the ring gaps according to your engine's specifications. Additionally, confirm that the piston pin fitment is correct and that the pistons are properly balanced with the rotating assembly.
What type of fuel is recommended for engines using BCRE1330-STD pistons?
Due to the high compression ratio of 14.2:1, it is recommended to use high-octane racing fuel to prevent detonation and ensure optimal performance. Always consider your engine tuning and setup when selecting fuel.
What is the weight of the BCRE1330-STD pistons and how does it affect performance?
The BCRE1330-STD pistons weigh 457 grams. While this weight is typical for performance applications, it is important to consider the overall rotating assembly weight for balance and performance. Lighter pistons can improve responsiveness but may sacrifice durability.
Are there any specific installation tips for the BCRE1330-STD pistons?
When installing the BCRE1330-STD pistons, ensure that the gas ports are correctly aligned with the cylinder walls for optimal performance. Additionally, verify that the valve reliefs are positioned correctly for your specific cylinder head configuration to avoid interference.
