Small Block Chevy Dish -16.2cc All 23 Heads 4.030 Bore,3.750 stroke, 6.000 rod 9.5 to 1 comp with a 64cc head (CP Bullets BC1031-030)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1031-030 |
|
Bore (in) |
4.03 |
|
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 |
9.5 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
383 |
|
Piston Weight |
403 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dish -16.2cc All 23 Heads 4.030 Bore,3.750 stroke, 6.000 rod 9.5 to 1 comp with a 64cc head (CP Bullets BC1031-030) |
|---|---|
| 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 compression ratio for the BC1031-030 pistons when used with a 64cc head?
The BC1031-030 pistons provide a compression ratio of 9.5:1 when paired with a 64cc cylinder head. Ensure that all components are properly matched for optimal performance.
What are the recommended bore and stroke specifications for the BC1031-030 pistons?
The BC1031-030 pistons are designed for a 4.030-inch bore and a 3.750-inch stroke. It's crucial to maintain these specifications for proper fitment and performance.
What is the piston weight of the BC1031-030 pistons?
The BC1031-030 pistons weigh 403 grams each. This weight should be considered when balancing the rotating assembly for your engine build.
What type of valve reliefs do the BC1031-030 pistons have?
The BC1031-030 pistons feature two valve reliefs. Ensure your cylinder heads are compatible to avoid interference with the valves.
What is the dish volume of the BC1031-030 pistons?
The BC1031-030 pistons have a dish volume of -16.2cc. This contributes to the overall compression ratio and should be factored into your engine's design.
