Small Block Chevy Dish -16.2cc All 23 Heads 4.040 Bore,3.750 stroke, 6.000 rod 9.6 to 1 comp with a 64cc head (CP Bullets BC1031-040)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1031-040 |
|
Bore (in) |
4.04 |
|
Stroke (in) |
3.75 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.125 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
-0.103 |
|
Dom/Dish CC |
-16.2 |
|
Compression Ratio |
9.6 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
385 |
|
Piston Weight |
403 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dish -16.2cc All 23 Heads 4.040 Bore,3.750 stroke, 6.000 rod 9.6 to 1 comp with a 64cc head (CP Bullets BC1031-040) |
|---|---|
| Brands | CP Carrillo |
| Engine | SB Chevrolet / Holden |
| 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 BC1031-040 pistons with a 64cc head?
The BC1031-040 pistons provide a compression ratio of 9.6:1 when used with a 64cc cylinder head. Ensure that your engine's build and fuel quality can support this compression for optimal performance.
What are the specific machining requirements for the BC1031-040 pistons?
When installing the BC1031-040 pistons, ensure that the bore clearance is set correctly according to your engine's specifications. Additionally, check that the ring gaps are properly set based on your intended use and operating conditions.
What is the weight of the BC1031-040 pistons and how does it affect engine performance?
The BC1031-040 pistons weigh 403 grams each. This weight can influence the engine's rev characteristics and overall balance, so consider it when designing your rotating assembly and tuning for performance.
Are the BC1031-040 pistons compatible with all 23-degree Small Block Chevy heads?
Yes, the BC1031-040 pistons are designed to work with all 23-degree Small Block Chevy heads. However, always verify that your specific head and engine combination is compatible in terms of clearance and fitment.
What type of valve reliefs do the BC1031-040 pistons have?
The BC1031-040 pistons feature two valve reliefs. Ensure that your camshaft and valve train setup is compatible with these reliefs to avoid any interference issues during operation.
