Small Block Chevy 4.030 Bore 3.500 stroke 5.7 Rod 1.550 CH -6cc Flat top , lateral Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRSE1350-030)
Small Block Chevy 4.060 Bore 3.500 stroke 5.7 Rod 1.550 CH -6cc Flat top , lateral Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRSE1350-060)
Small Block Chevy 4.040 Bore 3.500 stroke 5.7 Rod 1.550 CH -6cc Flat top , lateral Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRSE1350-040)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block Bullet Special Race Series |
|
Part Number |
BCRSE1350-040 |
|
Bore (in) |
4.04 |
|
Stroke (in) |
3.5 |
|
Rod Length (in) |
5.7 |
|
Comp Height |
1.55 |
|
Head Type |
All 23 deg heads |
|
Head CC |
64 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-6 |
|
Compression Ratio |
10.4 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.0 x 1.0 x 2.0mm |
|
VR Depth |
-.345 / SP |
|
Cubic Inch |
357 |
|
Piston Weight |
455 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Small Block Chevy 4.040 Bore 3.500 stroke 5.7 Rod 1.550 CH -6cc Flat top , lateral Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRSE1350-040) |
|---|---|
| Brands | CP Carrillo |
| Engine | SB Chevrolet / Holden |
| 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 BCRSE1350-040 pistons?
The BCRSE1350-040 pistons are designed to achieve a compression ratio of approximately 10.4:1 when used with 64cc cylinder heads. Ensure that your engine's specific setup aligns with this ratio for optimal performance.
What type of ring gaps should I use with these pistons?
For the BCRSE1350-040 pistons, it is crucial to set the ring gaps according to your engine's specific application, typically considering factors like boost levels and RPM. Consult the manufacturer's recommendations and adjust based on your build requirements.
Do I need to modify the piston for valve clearance?
The BCRSE1350-040 pistons come with two valve reliefs designed for compatibility with typical 23-degree heads. However, always verify clearance during assembly, especially if using aftermarket camshafts or heads that may alter the geometry.
What is the weight of the BCRSE1350-040 pistons, and how does it affect performance?
The BCRSE1350-040 pistons weigh 455 grams each. While lighter pistons can improve engine response and reduce reciprocating mass, ensure that your engine's balance and rotating assembly are properly configured to handle this weight.
What is the significance of the gas ports on these pistons?
The gas ports on the BCRSE1350-040 pistons enhance ring sealing under high-performance conditions by allowing combustion gases to pressurise the ring pack. This feature is particularly beneficial in high RPM and boosted applications, improving overall efficiency and power.
