Chevy 409ci 4.165 Bore 1.125 CH 14.3:1 CR - Lefts & Rights (CP Bullets BCRE1522-040)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BCRE1522-040 |
|
Bore (in) |
4.165 |
|
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 |
14.3 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
.043 x .043 x 3.0 |
|
VR Depth |
-.310 / SP |
|
Cubic Inch |
409 |
|
Piston Weight |
518 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Chevy 409ci 4.165 Bore 1.125 CH 14.3:1 CR - Lefts & Rights (CP Bullets BCRE1522-040) |
|---|---|
| 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 BCRE1522-040 pistons?
For the BCRE1522-040 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 BCRE1522-040 pistons?
The BCRE1522-040 pistons have a compression ratio of 14.3:1 when used with a 64cc chamber head. Ensure your fuel quality and tuning are appropriate for high compression applications.
What type of ring gaps should I use with these pistons?
For the BCRE1522-040 pistons, set the top ring gap around 0.020" to 0.022" and the second ring gap around 0.018" to 0.020". Adjustments may be necessary based on your specific application and engine conditions.
Can I use these pistons with aftermarket cylinder heads?
Yes, the BCRE1522-040 pistons are designed to work with most aftermarket heads that have a compatible 64cc chamber. Always verify clearance and fitment with your specific head design.
What is the weight of the BCRE1522-040 pistons and how does it affect my build?
The BCRE1522-040 pistons weigh 518 grams each. This weight can influence your engine's balance and performance, particularly at high RPMs. Ensure your rotating assembly is properly balanced to accommodate this piston weight.
