Chevy LS3 Dish -14.5cc All std 15 deg/ L92 4.070 bore, 3.622 stroke, 6.125 rod 9.1 to 1 Comp with 70cc head (CP Bullets BLS1114-005)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1114-005 |
|
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 |
8.2 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.200 / -.155 |
|
Cubic Inch |
377 |
|
Piston Weight |
472 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy LS3 Dish -14.5cc All std 15 deg/ L92 4.070 bore, 3.622 stroke, 6.125 rod 9.1 to 1 Comp with 70cc head (CP Bullets BLS1114-005) |
|---|---|
| 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 BLS1114-005 pistons?
The BLS1114-005 pistons are designed to achieve a compression ratio of approximately 8.2:1 when used with a 70cc head. However, actual compression will depend on the specific engine assembly and machining tolerances.
What are the specific machining requirements for the BLS1114-005 pistons?
When installing the BLS1114-005 pistons, ensure that the bore clearance is set correctly, typically between 0.0025" to 0.0035". Additionally, the ring gaps should be tailored to your specific application and boost levels, considering the engine's intended use.
What is the weight of the BLS1114-005 pistons, and how does it affect performance?
The BLS1114-005 pistons weigh 472 grams each. While lighter pistons can improve engine response and reduce inertia, ensure that your rotating assembly is balanced properly to maintain reliability and performance.
What type of valve reliefs do the BLS1114-005 pistons feature?
The BLS1114-005 pistons come with two valve reliefs designed to accommodate typical LS3/L92 valve configurations. Verify clearance with your specific cylinder heads to avoid interference.
Are the BLS1114-005 pistons suitable for high boost applications?
The BLS1114-005 pistons can be used in boosted applications, but it's crucial to ensure proper tuning, fuel quality, and clearances. Reliability at higher boost levels will depend on the overall engine build and assembly quality.
