Chevy LS2 Dome +10cc All std 15 deg/ L92 4.045 bore, 4.000 stroke, 6.125 rod 13.0 to 1 Comp with 68cc head (CP Bullets BLS1133-045)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1133-045 |
|
Bore (in) |
4.045 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.115 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
68 |
|
Dome / Dish Height |
0.175 |
|
Dom/Dish CC |
10 |
|
Compression Ratio |
13.1 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.190 / SP |
|
Cubic Inch |
411 |
|
Piston Weight |
462 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy LS2 Dome +10cc All std 15 deg/ L92 4.045 bore, 4.000 stroke, 6.125 rod 13.0 to 1 Comp with 68cc head (CP Bullets BLS1133-045) |
|---|---|
| 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 compression ratio for the BLS1133-045 pistons?
The BLS1133-045 pistons are designed for a compression ratio of approximately 13.1:1 when used with a 68cc head. Ensure that your engine build accounts for this ratio to achieve optimal performance.
What bore size is required for the BLS1133-045 pistons?
These pistons are designed for a bore size of 4.045 inches. Proper machining of the cylinder bore is essential to ensure correct fitment and performance.
What type of valve reliefs do the BLS1133-045 pistons have?
The BLS1133-045 pistons feature two valve reliefs. This design helps accommodate the LS engine's valve train while maintaining the necessary clearance for performance applications.
What is the weight of the BLS1133-045 pistons?
Each BLS1133-045 piston weighs 462 grams. It's important to consider this weight when balancing the rotating assembly to ensure smooth engine operation.
What is the pin size and length for the BLS1133-045 pistons?
The BLS1133-045 pistons use a pin size of .927 inches and a length of 2.250 inches. Ensure that your connecting rods are compatible with these specifications for proper fitment.
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