Small Block Chevy 23° 4.125 bore, 6.00 rod, 1.00 ch -21cc dish 10.8 cr, 1.5mm,1.5mm, 3mm rings (CP Bullets BC1130-STD)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1130-STD |
|
Bore (in) |
4.125 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6 |
|
Comp Height |
1 |
|
Head Type |
All 23 deg heads |
|
Head CC |
58 |
|
Dome / Dish Height |
-0.118 |
|
Dom/Dish CC |
-20.6 |
|
Compression Ratio |
10.8 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
428 |
|
Piston Weight |
410 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy 23° 4.125 bore, 6.00 rod, 1.00 ch -21cc dish 10.8 cr, 1.5mm,1.5mm, 3mm rings (CP Bullets BC1130-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 bore clearance for the BC1130-STD pistons?
For the BC1130-STD pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on the specific application and operating conditions, so it's best to consult with your engine builder for precise measurements.
What type of ring gaps should I set for the BC1130-STD pistons?
For the BC1130-STD pistons, a common starting point for ring gaps is 0.018" for the top rings and 0.020" for the second rings. Again, these values can be adjusted based on your specific engine setup and intended use, so consult your engine builder for optimal settings.
What compression ratio can I expect with the BC1130-STD pistons?
The BC1130-STD pistons provide a compression ratio of 10.8:1 when used with a 58cc head. Keep in mind that actual compression may vary depending on factors like head gasket thickness and combustion chamber modifications.
What is the weight of the BC1130-STD pistons and how does it affect performance?
The BC1130-STD pistons weigh 410 grams each. Lighter pistons can help improve engine response and reduce stress on the connecting rods, but it's essential to balance them with the rest of the rotating assembly to ensure smooth operation.
Are the BC1130-STD pistons suitable for high-performance applications?
Yes, the BC1130-STD pistons are designed for high-performance applications, particularly in Small Block Chevy engines. They are suitable for use in both street and race engines, but reliability will depend on proper machining, clearances, and tuning.
