Big Block 24° N/A BB3 Xtra / Head Hunter 4.625 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-125)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5330-125 |
|
Bore (in) |
4.625 |
|
Stroke (in) |
4.375 |
|
Rod Length (in) |
6.535 |
|
Comp Height |
1.07 |
|
Head Type |
BB3 Xtra / Head Hunter |
|
Head CC |
118 |
|
Dome / Dish Height |
0.65 |
|
Dom/Dish CC |
46.9 |
|
Compression Ratio |
14.5 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
1.0 x 1.0 x 3.0mm |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
588 |
|
Piston Weight |
654 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Block 24° N/A BB3 Xtra / Head Hunter 4.625 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-125) |
|---|---|
| Brands | CP Carrillo |
| Engine | Big Block Chev |
| Make | GM |
Delivery & Freight
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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 BBCRE5330-125 pistons?
The BBCRE5330-125 pistons are designed to achieve a compression ratio of 14.5:1 when used with a 118cc head. Ensure that your engine's setup, including head gasket thickness and combustion chamber volume, is accounted for to maintain this ratio.
What are the specific ring gap settings for the BBCRE5330-125 pistons?
For the BBCRE5330-125 pistons, the recommended ring gaps are typically set at 0.020" for the 1mm top rings and 0.022" for the 3mm oil ring. However, these gaps can vary based on your specific application, RPM range, and intended use, so it's best to consult with your engine builder.
Do the BBCRE5330-125 pistons require any special machining?
Yes, the BBCRE5330-125 pistons may require specific bore clearance and ring gap adjustments based on your engine's specifications. It's crucial to ensure proper fitment and clearance to avoid issues during operation.
What is the weight of the BBCRE5330-125 pistons and how does it affect performance?
The BBCRE5330-125 pistons weigh 654 grams each. While this weight is suitable for high-performance applications, it's important to consider the overall rotating assembly balance and engine dynamics to optimise performance and reliability.
Can the BBCRE5330-125 pistons be used with any Big Block Chev engine?
The BBCRE5330-125 pistons are specifically designed for Big Block Chev engines with a 4.625" bore and 4.375" stroke. Ensure your engine's specifications match these dimensions for proper fitment and performance.
