Big Block Chevy 24.40cc Dome 4.310 Bore 4.250 stroke 6.385 rod, 10.5 to 1 with 118cc head (CP Bullets BBC5110-060)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBC5110-060 |
|
Bore (in) |
4.31 |
|
Stroke (in) |
4.25 |
|
Rod Length (in) |
6.385 |
|
Comp Height |
1.275 |
|
Head Type |
24 OC |
|
Head CC |
118 |
|
Dome / Dish Height |
0.25 |
|
Dom/Dish CC |
24.4 |
|
Compression Ratio |
10.5 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
1/16 x 1/16 x 3/16 in. |
|
VR Depth |
-0.295 |
|
Cubic Inch |
496 |
|
Piston Weight |
598 |
|
Style |
Dome |
|
Valve Reliefs |
1 VR with Slant |
|
Gas Port |
No |
| Product Name | Big Block Chevy 24.40cc Dome 4.310 Bore 4.250 stroke 6.385 rod, 10.5 to 1 with 118cc head (CP Bullets BBC5110-060) |
|---|---|
| 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 compression ratio for the BBC5110-060 pistons?
The BBC5110-060 pistons are designed for a compression ratio of 10.5:1 when used with a 118cc cylinder head. Ensure that your engine's overall setup, including camshaft and fuel type, is compatible with this compression ratio for optimal performance.
What bore and stroke specifications are required for the BBC5110-060 pistons?
These pistons are intended for a 4.310-inch bore and a 4.250-inch stroke. It's crucial to verify that your engine block is machined to these specifications to ensure proper fitment and performance.
What is the weight of the BBC5110-060 pistons, and how does it affect engine balance?
The BBC5110-060 pistons weigh 598 grams each. When building your engine, consider the total rotating assembly weight for balance. Proper balancing of the crankshaft, rods, and pistons is essential for smooth operation and reliability at high RPM.
Do the BBC5110-060 pistons require any specific machining before installation?
Yes, the BBC5110-060 pistons may require specific bore clearance and ring gap settings based on your engine's configuration. It's essential to consult with your engine builder to ensure these parameters are correctly set for optimal performance.
What type of valve reliefs do the BBC5110-060 pistons have?
The BBC5110-060 pistons feature one valve relief with a slant design. This is intended to provide clearance for the valves during operation, but it's important to check for compatibility with your specific camshaft profile and valve sizes.
