Small Block Chevy Flat Top -6.83cc All 23 Heads 4.030 Bore,3.563 stroke, 6.000 rod 10.0 to 1 comp with a 64cc head (CP Bullets BC1023-030)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1023-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
3.563 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.219 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-6.8 |
|
Compression Ratio |
10.2 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
364 |
|
Piston Weight |
406 |
|
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,3.563 stroke, 6.000 rod 10.0 to 1 comp with a 64cc head (CP Bullets BC1023-030) |
|---|---|
| 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 bore clearance for the BC1023-030 pistons?
For the BC1023-030 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, always verify with your engine builder as clearances can vary based on specific applications and tolerances.
What compression ratio can I expect with the BC1023-030 pistons and a 64cc head?
The BC1023-030 pistons provide a compression ratio of approximately 10.2:1 when used with a 64cc cylinder head. Ensure that your engine's overall assembly and tuning are suitable for this compression level.
Do I need to machine the piston for valve reliefs?
The BC1023-030 pistons come with two valve reliefs, which should accommodate most common camshaft profiles in Small Block Chevy applications. However, always check for clearance with your specific setup to avoid interference.
What is the weight of the BC1023-030 pistons and how does it affect performance?
The BC1023-030 pistons weigh 406 grams. Lighter pistons can improve throttle response and reduce reciprocating mass, but ensure your connecting rods and crankshaft are rated for the intended RPM and power levels.
What type of rings are included with the BC1023-030 pistons?
The BC1023-030 pistons are designed to work with 1.5mm x 1.5mm x 3.0mm ring sets. Ensure that the rings are properly gapped and installed according to your engine's specifications for optimal performance.
