Small Block Chevy Flat Top -6cc 20/30 shift 23 Heads 4.060 Bore,3.500 stroke, 6.000 rod 10.3 to 1 comp with a 64cc head - Lefts & Rights (CP Bullets BCR1320-060)
Small Block Chevy Flat Top -7.1cc All 23 Heads 4.135 Bore,4.000 stroke, 6.000 rod 11.9 to 1 comp with a 64cc head (CP Bullets BC1110-010)
Small Block Chevy Flat Top -7.1cc All 23 Heads 4.125 Bore,4.000 stroke, 6.000 rod 11.9 to 1 comp with a 64cc head (CP Bullets BC1110-STD)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1110-STD |
|
Bore (in) |
4.125 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6 |
|
Comp Height |
1 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-6.9 |
|
Compression Ratio |
11.8 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
428 |
|
Piston Weight |
388 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Flat Top -7.1cc All 23 Heads 4.125 Bore,4.000 stroke, 6.000 rod 11.9 to 1 comp with a 64cc head (CP Bullets BC1110-STD) |
|---|---|
| Brands | CP Carrillo |
| 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 BC1110-STD pistons with a 64cc head?
The BC1110-STD pistons are designed to achieve a compression ratio of approximately 11.9:1 when used with a 64cc cylinder head. However, actual compression ratio may vary based on factors such as head gasket thickness and combustion chamber modifications.
What are the specific machining requirements for the BC1110-STD pistons?
When installing the BC1110-STD pistons, ensure that the bore clearance is set correctly according to the manufacturer's specifications. Additionally, check and set the ring gaps according to your engine's specific requirements to ensure optimal performance and reliability.
What is the weight of the BC1110-STD pistons, and how does it affect engine balance?
The BC1110-STD pistons weigh 388 grams each. It's important to consider the total weight of the pistons when balancing the rotating assembly, as any significant weight difference can affect engine performance and vibration.
Are there any specific installation tips for the BC1110-STD pistons?
When installing the BC1110-STD pistons, ensure that the valve reliefs are correctly oriented towards the valves. Additionally, use appropriate piston ring installation techniques to avoid damaging the rings during assembly.
What type of pin is used with the BC1110-STD pistons, and what are its dimensions?
The BC1110-STD pistons use a pin with dimensions of .927 inches in diameter and 2.500 inches in length. Ensure that the pin fitment is checked for proper clearance in the connecting rods.
