Chevrolet All LS 15°/L92 heads, 4.070 bore, 3.622 stroke, 6.125 rod, 1.300 CH, 1.2mm, 1.2mm, 3.0mm rings (CP Bullets BLSR1114-005)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLSR1114-005 |
|
Bore (in) |
4.07 |
|
Stroke (in) |
3.622 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.3 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
70 |
|
Dome / Dish Height |
-0.0935 |
|
Dom/Dish CC |
-14.5 |
|
Compression Ratio |
9.2 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.2 x 1.2 x 3.0mm |
|
VR Depth |
-.200 / -.155 |
|
Cubic Inch |
377 |
|
Piston Weight |
472 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Chevrolet All LS 15°/L92 heads, 4.070 bore, 3.622 stroke, 6.125 rod, 1.300 CH, 1.2mm, 1.2mm, 3.0mm rings (CP Bullets BLSR1114-005) |
|---|---|
| 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 bore clearance for the BLSR1114-005 pistons?
For the BLSR1114-005 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 BLSR1114-005 pistons in a standard LS engine?
The BLSR1114-005 pistons provide a compression ratio of approximately 9.2:1 when used with a standard LS engine with 70cc heads. Actual compression may vary based on head gasket thickness and combustion chamber modifications.
Do the BLSR1114-005 pistons require any special machining?
Yes, the BLSR1114-005 pistons may require specific machining for bore clearance and ring gap settings. Ensure that the engine builder checks these parameters during assembly to achieve optimal performance.
What is the weight of the BLSR1114-005 pistons and how does it affect performance?
The BLSR1114-005 pistons weigh 472 grams. Lighter pistons can improve engine response and reduce reciprocating mass, but it's essential to balance them with the rest of the rotating assembly for reliability.
Are the BLSR1114-005 pistons suitable for high boost applications?
The BLSR1114-005 pistons are designed for performance use and can handle moderate boost levels. However, the reliability under boost will depend on proper tuning, fuel quality, and overall engine assembly. Always consult with a knowledgeable engine builder for specific applications.
