Chevy 6.0L All LS 15°/L92 Bore 4.000 CH 1.304 Stroke 3.622 Rod 6.125 Flat Top Head 68cc (CP Bullets BLS1156-STD)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1156-STD |
|
Bore (in) |
4 |
|
Stroke (in) |
3.622 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.304 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
68 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-3.8 |
|
Compression Ratio |
10 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.200 / SP |
|
Cubic Inch |
364 |
|
Piston Weight |
469 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy 6.0L All LS 15°/L92 Bore 4.000 CH 1.304 Stroke 3.622 Rod 6.125 Flat Top Head 68cc (CP Bullets BLS1156-STD) |
|---|---|
| Brands | CP Carrillo |
| Engine | GM / LS |
| Make | Chevrolet, GM, Holden, LS Chev |
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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 BLS1156-STD pistons?
For the BLS1156-STD pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, final clearance should be determined by the engine builder based on specific application and tolerances.
What compression ratio can I expect with the BLS1156-STD pistons and a 68cc head?
The BLS1156-STD pistons are designed to achieve a compression ratio of approximately 10:1 when used with a 68cc head. Actual compression may vary based on factors such as head gasket thickness and deck height.
What type of ring gaps should I set for the BLS1156-STD pistons?
For the BLS1156-STD pistons, it is advisable to 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 specific engine conditions and intended use.
Can I use the BLS1156-STD pistons with a turbocharged LS engine?
Yes, the BLS1156-STD pistons can be used in a turbocharged LS engine application. However, ensure proper tuning, fuel quality, and boost levels are managed to maintain reliability and performance.
What is the piston weight of the BLS1156-STD and how does it affect performance?
The BLS1156-STD pistons weigh 469 grams. While this weight is suitable for performance applications, lighter pistons can improve engine response and RPM capability. Consider the overall rotating assembly weight when building your engine.
