Small Block Chevy Flat Top -6.83cc All 23 Heads 4.030 Bore,3.625 stroke, 6.000 rod 10.1 to 1 comp with a 64cc head (CP Bullets BC1022-030)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1022-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
3.625 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.187 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-6.8 |
|
Compression Ratio |
10.3 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
370 |
|
Piston Weight |
403 |
|
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,3.625 stroke, 6.000 rod 10.1 to 1 comp with a 64cc head (CP Bullets BC1022-030) |
|---|---|
| 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 BC1022-030 pistons with a 64cc head?
The BC1022-030 pistons provide a compression ratio of approximately 10.1 to 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 are the specific machining requirements for installing the BC1022-030 pistons?
When installing the BC1022-030 pistons, ensure that the bore clearance is set correctly according to the engine builder's specifications. Additionally, verify that the ring gaps are appropriately set for the intended application, as this can affect performance and reliability.
Can I use the BC1022-030 pistons with aftermarket cylinder heads?
Yes, the BC1022-030 pistons are designed for use with all 23-degree Small Block Chevy heads. However, compatibility with aftermarket heads should be confirmed, particularly regarding valve reliefs and combustion chamber volume.
What is the weight of the BC1022-030 pistons, and how does it affect engine balance?
The BC1022-030 pistons weigh 403 grams each. It's important to balance the entire rotating assembly, including these pistons, to minimise vibrations and ensure smooth engine operation, especially at higher RPMs.
What type of pin is used with the BC1022-030 pistons?
The BC1022-030 pistons utilise a .927 x 2.500 inch pin. Ensure that your connecting rods are compatible with this pin size for proper fitment.
