Big Bock Chevy 564 4.530 Bore 1.220 +46.9cc (CP Bullets BBCRE5319-030)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5319-030 |
|
Bore (in) |
4.53 |
|
Stroke (in) |
4.375 |
|
Rod Length (in) |
6.385 |
|
Comp Height |
1.22 |
|
Head Type |
BB3 Xtra / Head Hunter |
|
Head CC |
118 |
|
Dome / Dish Height |
0.65 |
|
Dom/Dish CC |
46.9 |
|
Compression Ratio |
14.7 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
.043 x .043 x 3.0 |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
564 |
|
Piston Weight |
692 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Bock Chevy 564 4.530 Bore 1.220 +46.9cc (CP Bullets BBCRE5319-030) |
|---|---|
| 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 BBCRE5319-030 pistons?
For the BBCRE5319-030 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. This ensures proper thermal expansion and avoids piston slap during operation.
What compression ratio can I expect with the BBCRE5319-030 pistons and a 118cc head?
The BBCRE5319-030 pistons provide a compression ratio of approximately 14.7:1 when paired with a 118cc head. Ensure that your fuel quality and tuning can support this high compression setup.
What are the implications of the dome height on combustion efficiency?
The 0.65" dome height of the BBCRE5319-030 pistons can enhance combustion efficiency by promoting better air-fuel mixing and reducing the risk of detonation. However, careful tuning is essential to optimise performance.
Do I need to modify my cylinder heads for the BBCRE5319-030 pistons?
With the BBCRE5319-030 pistons featuring two valve reliefs, most standard Big Block Chevy heads should accommodate them without modification. However, always verify clearance with your specific setup, especially at higher lift cam profiles.
What is the significance of the gas ports on the BBCRE5319-030 pistons?
The gas ports on the BBCRE5319-030 pistons help improve ring seal and reduce blow-by by allowing combustion gases to pressurise the ring area. This feature is particularly beneficial in high-performance applications where maximum efficiency is required.
