Small Block Chevy Flat Top -7.1cc All 23 Heads 4.135 Bore,4.000 stroke, 6.000 rod 11.9 to 1 comp with a 64cc head (CP Bullets BC1110-010)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1110-010 |
|
Bore (in) |
4.135 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6 |
|
Comp Height |
1 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-7.1 |
|
Compression Ratio |
11.9 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.320 / -.320 |
|
Cubic Inch |
430 |
|
Piston Weight |
390 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Flat Top -7.1cc All 23 Heads 4.135 Bore,4.000 stroke, 6.000 rod 11.9 to 1 comp with a 64cc head (CP Bullets BC1110-010) |
|---|---|
| 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 BC1110-010 pistons?
For the BC1110-010 pistons, a typical bore clearance of 0.0035" to 0.0045" is recommended. This can vary based on the specific application and operating conditions, so it's best to consult with your engine builder for precise measurements.
What compression ratio can I expect with the BC1110-010 pistons?
The BC1110-010 pistons yield a compression ratio of 11.9:1 when used with a 64cc cylinder head. Ensure that your engine's setup, including fuel quality and tuning, can support this compression level for optimal performance.
Do I need to modify my cylinder heads for the BC1110-010 pistons?
The BC1110-010 pistons feature two valve reliefs, which should accommodate most 23-degree heads. However, it's advisable to check for clearance during assembly, especially if using aggressive cam profiles or modified heads.
What is the weight of the BC1110-010 pistons and how does it affect my engine?
The BC1110-010 pistons weigh 390 grams each. Lighter pistons can improve engine 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 BC1110-010 pistons?
The BC1110-010 pistons come with 1.5mm x 1.5mm x 3.0mm ring thickness. Ensure proper installation and gap settings to prevent blow-by and maintain performance.
