Big Block Chevy 24.35cc Dome 4.310 Bore 4.000 stroke 6.385 rod, 9.8 to 1 with 118cc head (CP Bullets BBC5112-060)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBC5112-060 |
|
Bore (in) |
4.31 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.385 |
|
Comp Height |
1.4 |
|
Head Type |
24 OC |
|
Head CC |
118 |
|
Dome / Dish Height |
0.25 |
|
Dom/Dish CC |
24.4 |
|
Compression Ratio |
9.9 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
1/16 x 1/16 x 3/16 in. |
|
VR Depth |
-0.295 |
|
Cubic Inch |
467 |
|
Piston Weight |
620 |
|
Style |
Dome |
|
Valve Reliefs |
1 VR with Slant |
|
Gas Port |
No |
| Product Name | Big Block Chevy 24.35cc Dome 4.310 Bore 4.000 stroke 6.385 rod, 9.8 to 1 with 118cc head (CP Bullets BBC5112-060) |
|---|---|
| Brands | CP Carrillo |
| Engine | Big Block Chev |
| 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 BBC5112-060 pistons?
For the BBC5112-060 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on the specific application and operating conditions, so always consult with your engine builder for the best fit.
What compression ratio can I expect with the BBC5112-060 pistons?
The BBC5112-060 pistons are designed to achieve a compression ratio of approximately 9.8:1 when used with a 118cc cylinder head. Ensure that all components are compatible and that the engine is properly assembled for optimal performance.
Do I need to machine the piston for valve clearance?
The BBC5112-060 pistons feature a single valve relief with a slant, which should provide adequate clearance for most applications. However, it's essential to check valve-to-piston clearance during assembly, especially at high lift scenarios, to avoid interference.
What is the weight of the BBC5112-060 pistons and how does it affect performance?
The BBC5112-060 pistons weigh 620 grams each. While this weight is typical for performance applications, lighter pistons can improve throttle response and reduce reciprocating mass. Consider your overall engine build and intended use when selecting piston weight.
What type of rings are included with the BBC5112-060 pistons?
The BBC5112-060 pistons come with a ring thickness of 1/16 x 1/16 x 3/16 inches. Ensure that the rings are properly gapped and installed according to your engine's specifications for optimal sealing and performance.
