Big Block 24° N/A BB3 Xtra / Head Hunter 4.500 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-STD)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.530 bore, 4.250 stroke, 6.535 rod, 1.120 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5331-030)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.530 bore, 4.250 stroke, 6.385 rod, 1.275 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5334-030)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5334-030 |
|
Bore (in) |
4.53 |
|
Stroke (in) |
4.25 |
|
Rod Length (in) |
6.385 |
|
Comp Height |
1.275 |
|
Head Type |
BB3 Xtra / Head Hunter |
|
Head CC |
118 |
|
Dome / Dish Height |
0.65 |
|
Dom/Dish CC |
46.9 |
|
Compression Ratio |
13.8 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
1.0 x 1.0 x 3.0mm |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
548 |
|
Piston Weight |
672 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Block 24° N/A BB3 Xtra / Head Hunter 4.530 bore, 4.250 stroke, 6.385 rod, 1.275 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5334-030) |
|---|---|
| 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 bore clearance for the BBCRE5334-030 pistons?
For the BBCRE5334-030 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on your specific engine build and operating conditions, so always consult with your engine builder for precise specifications.
What compression ratio can I expect with the BBCRE5334-030 pistons?
The BBCRE5334-030 pistons are designed to achieve a compression ratio of approximately 13.8:1 when used with 118cc cylinder heads. Ensure that your engine's overall design, including head gasket thickness and combustion chamber volume, is accounted for to maintain reliability.
What type of fuel is recommended for use with the BBCRE5334-030 pistons?
Due to the high compression ratio of 13.8:1, it is recommended to use high-octane fuel, typically 98 RON or higher, to prevent detonation. Proper tuning and fuel quality are crucial for optimal performance and engine longevity.
Are there specific machining requirements for the BBCRE5334-030 pistons?
Yes, the BBCRE5334-030 pistons may require specific machining such as honing the cylinder bores to achieve the correct clearance and ensuring that the ring lands are properly prepared. Always follow the manufacturer's recommendations and consult with your engine builder.
What is the weight of the BBCRE5334-030 pistons and how does it affect performance?
The BBCRE5334-030 pistons weigh 672 grams each. While this weight is typical for performance applications, it's important to balance the entire rotating assembly for optimal performance and reliability, especially at high RPMs.
