Chevrolet All LS 15°/L92 heads, 4.070 bore, 4.000 stroke, 6.125 rod, 1.110 CH, 1.2mm, 1.2mm, 3.0mm rings (CP Bullets BLSR1115-005)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLSR1115-005 |
|
Bore (in) |
4.07 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.11 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
66 |
|
Dome / Dish Height |
0.18 |
|
Dom/Dish CC |
-27.4 |
|
Compression Ratio |
9 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.2 x 1.2 x 3.0mm |
|
VR Depth |
-.200 / SP |
|
Cubic Inch |
416 |
|
Piston Weight |
423 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Chevrolet All LS 15°/L92 heads, 4.070 bore, 4.000 stroke, 6.125 rod, 1.110 CH, 1.2mm, 1.2mm, 3.0mm rings (CP Bullets BLSR1115-005) |
|---|---|
| Brands | CP Carrillo |
| Engine | GM / LS |
| Make | Chevrolet, GM, Holden, LS Chev |
Delivery & Freight
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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 BLSR1115-005 pistons?
The BLSR1115-005 pistons are designed to achieve a compression ratio of 9:1 when used with standard 15°/L92 heads and a 66cc combustion chamber. Ensure that your engine's setup aligns with this specification for optimal performance.
What are the specific machining requirements for the BLSR1115-005 pistons?
When installing the BLSR1115-005 pistons, it's crucial to ensure the correct bore clearance is set. Additionally, the ring gaps must be tailored to your specific application, considering factors like boost levels and RPM. Always consult with your engine builder for the best practices.
What is the weight of the BLSR1115-005 pistons and how does it affect performance?
The BLSR1115-005 pistons weigh 423 grams each. This weight is designed to provide a balance between strength and performance. Lighter pistons can improve throttle response and reduce stress on the engine, but ensure they are matched with appropriate conrods and crankshaft for reliability.
Can the BLSR1115-005 pistons be used with different stroke lengths?
The BLSR1115-005 pistons are specifically designed for a 4.000 stroke. Using them with different stroke lengths may require additional modifications and could affect compression ratio and engine dynamics. Always verify compatibility with your engine setup.
What type of valve reliefs do the BLSR1115-005 pistons have?
The BLSR1115-005 pistons feature two valve reliefs, which are designed to accommodate LS engine configurations. Ensure that your cylinder heads and camshaft specifications are compatible to prevent any interference during operation.
