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)
Small Block Chevy ASCS Sprint Car 4.10 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 BCRE1330-010)
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)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BCRE1330-005 |
|
Bore (in) |
4.005 |
|
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 |
358 |
|
Piston Weight |
462 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | 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) |
|---|---|
| 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 bore clearance for the BCRE1330-005 pistons?
For the BCRE1330-005 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended, but this can vary based on your specific engine build and operating conditions. Always consult with your engine builder for the best fit.
What type of fuel is suitable for the 14.1 compression ratio of these pistons?
Given the 14.1 compression ratio, these pistons are best suited for high-octane race fuel or methanol. Ensure your fuel choice matches your tuning and engine setup to avoid detonation.
Do I need to machine the piston ring grooves for the BCRE1330-005?
The BCRE1330-005 pistons come with pre-machined ring grooves for the specified 1.0mm x 1.0mm x 2.0mm rings. However, always verify the fitment and ensure the grooves are clean and free of debris before installation.
What is the weight of the BCRE1330-005 pistons and how does it affect performance?
The BCRE1330-005 pistons weigh 462 grams. While lighter pistons can improve throttle response and reduce rotating mass, ensure your engine is balanced with the full rotating assembly to maintain reliability.
What machining processes are necessary after installing the BCRE1330-005 pistons?
After installing the BCRE1330-005 pistons, it's crucial to check and set the ring gaps according to your engine's specifications. Additionally, ensure the piston-to-wall clearance is within recommended limits for optimal performance.
