Chevy 5.3L Stock LS 5.3L 3.780 Bore 1.300 CH -3.5cc Flat Top (CP Bullets BLS1013-STD)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1013-STD |
|
Bore (in) |
3.78 |
|
Stroke (in) |
3.622 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.3 |
|
Head Type |
Std 15 deg 5.3L |
|
Head CC |
62 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-3.5 |
|
Compression Ratio |
9.8 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.200 / SP |
|
Cubic Inch |
325 |
|
Piston Weight |
410 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy 5.3L Stock LS 5.3L 3.780 Bore 1.300 CH -3.5cc Flat Top (CP Bullets BLS1013-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 BLS1013-STD pistons?
For the BLS1013-STD pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, always verify with your engine builder as clearances can vary based on specific applications and tolerances.
What compression ratio can I expect with the BLS1013-STD pistons?
The BLS1013-STD pistons provide a compression ratio of approximately 9.8:1 when used with standard 62cc LS 5.3L cylinder heads. Actual compression may vary based on head gasket thickness and other factors.
What type of ring gaps should I use with these pistons?
For the BLS1013-STD pistons, a common practice is to set the top ring gap at 0.020" to 0.022" and the second ring gap at 0.018" to 0.020". Adjustments may be necessary based on your specific application and intended use.
Can I use these pistons with a turbocharged LS engine?
Yes, the BLS1013-STD pistons can be used in a turbocharged LS engine setup. However, ensure proper tuning, fuel quality, and boost levels are managed to maintain reliability and performance.
What is the piston weight of the BLS1013-STD, and how does it affect performance?
The BLS1013-STD pistons weigh 410 grams. While lighter pistons can improve engine response and reduce rotational mass, it's essential to balance them with the entire rotating assembly for optimal performance.
