Small Block Chevy Flat Top -6.83cc All 23 Heads 4.030 Bore,3.750 stroke, 5.700 rod 10.5 to 1 comp with a 64cc head (CP Bullets BC1026-030)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1026-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
3.75 |
|
Rod Length (in) |
5.7 |
|
Comp Height |
1.425 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-6.8 |
|
Compression Ratio |
10.6 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
383 |
|
Piston Weight |
436 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Flat Top -6.83cc All 23 Heads 4.030 Bore,3.750 stroke, 5.700 rod 10.5 to 1 comp with a 64cc head (CP Bullets BC1026-030) |
|---|---|
| Brands | CP Carrillo |
| 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 BC1026-030 pistons?
The BC1026-030 pistons are designed to achieve a compression ratio of approximately 10.6:1 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 bore and stroke specifications do these pistons accommodate?
These pistons are designed for a 4.030-inch bore and a 3.750-inch stroke, making them suitable for a 383 cubic inch Small Block Chevy engine configuration.
What type of valve reliefs do the BC1026-030 pistons have?
The BC1026-030 pistons feature two valve reliefs, which are designed to accommodate typical valve sizes found in 23-degree cylinder heads, ensuring proper clearance during operation.
What is the weight of the BC1026-030 pistons?
Each BC1026-030 piston weighs approximately 436 grams. It's important to consider this weight when balancing the rotating assembly for optimal engine performance.
Are there any specific machining requirements for these pistons?
Yes, it is crucial to ensure proper bore clearance and ring gap settings as per the engine builder's specifications. Each engine may require specific machining to achieve optimal performance and reliability.
