Small Block Chevy 414ci ASCS 4.125 Bore 1.062 CH 13.8:1 CR - Lefts & Rights (CP Bullets BCRE1220-STD)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BCRE1220-STD |
|
Bore (in) |
4.125 |
|
Stroke (in) |
3.875 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.062 |
|
Head Type |
ASCS |
|
Head CC |
64 |
|
Dome / Dish Height |
0.275 |
|
Dom/Dish CC |
8 |
|
Compression Ratio |
13.75 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.0 x 1.0 x 2.0mm |
|
VR Depth |
-.335 / SP |
|
Cubic Inch |
414 |
|
Piston Weight |
440 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy 414ci ASCS 4.125 Bore 1.062 CH 13.8:1 CR - Lefts & Rights (CP Bullets BCRE1220-STD) |
|---|---|
| Brands | CP Carrillo |
| Engine | SB Chevrolet / Holden |
| 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 BCRE1220-STD pistons?
For the BCRE1220-STD pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, final clearance should be determined based on your specific engine build and intended use.
What compression ratio can I expect with the BCRE1220-STD pistons?
The BCRE1220-STD pistons are designed to achieve a compression ratio of approximately 13.8:1 when used with a 64cc cylinder head. Ensure that your engine's overall setup supports this compression for optimal performance.
Do I need to modify my cylinder heads for the BCRE1220-STD pistons?
The BCRE1220-STD pistons feature two valve reliefs, which should accommodate most standard small block Chevy cylinder heads. However, it's advisable to check for clearance with your specific head design, especially at higher lift cam profiles.
What is the weight of the BCRE1220-STD pistons, and how does it affect my engine?
The BCRE1220-STD pistons weigh 440 grams each. Lighter pistons can improve engine response and reduce inertia, but ensure that your connecting rods and crankshaft are rated for the associated RPM and power levels.
What type of rings are compatible with the BCRE1220-STD pistons?
The BCRE1220-STD pistons come with a ring thickness of 1.0 x 1.0 x 2.0mm. Ensure that you use compatible rings designed for performance applications to achieve the best sealing and durability.
