Chevy 407ci 4.155 Bore 1.125 CH 14.2:1 CR - Lefts & Rights (CP Bullets BCRE1522-030)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BCRE1522-030 |
|
Bore (in) |
4.155 |
|
Stroke (in) |
3.75 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.125 |
|
Head Type |
23 * Most Heads |
|
Head CC |
64 |
|
Dome / Dish Height |
0.48 |
|
Dom/Dish CC |
11.2 |
|
Compression Ratio |
14.2 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
.043 x .043 x 3.0 |
|
VR Depth |
-.310 / SP |
|
Cubic Inch |
407 |
|
Piston Weight |
515 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Chevy 407ci 4.155 Bore 1.125 CH 14.2:1 CR - Lefts & Rights (CP Bullets BCRE1522-030) |
|---|---|
| Brands | CP Carrillo |
| Engine | 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 bore clearance for the BCRE1522-030 pistons?
For the BCRE1522-030 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, it's crucial to verify this based on your specific engine build and thermal expansion considerations.
What type of ring gaps should I use with these pistons?
For the BCRE1522-030 pistons, set the top ring gap to approximately 0.020" to 0.022" and the second ring gap to around 0.018" to 0.020". Adjustments may be necessary based on your specific application and boost levels.
Can these pistons be used with any small block Chevy head?
The BCRE1522-030 pistons are designed to work with most 23-degree small block Chevy heads, but it's essential to check for valve clearance, especially with the dome height and valve reliefs.
What is the maximum RPM these pistons can reliably handle?
While the BCRE1522-030 pistons are built for high-performance applications, typical use ranges are up to 7,500 RPM. However, reliability will depend on your engine's overall build quality, tuning, and fuel quality.
Do I need to modify my engine block to fit these pistons?
In most cases, the BCRE1522-030 pistons will fit standard small block Chevy applications without modification. However, ensure proper machining of the block and check for any necessary clearances, especially with the dome design.
