Chevy LS3 Dish -14.2cc All std 15 deg/ L92 4.130 bore, 4.000 stroke, 6.125 rod 10.5 to 1 Comp with 68cc head (CP Bullets BLS1130-065)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1130-065 |
|
Bore (in) |
4.13 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.105 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
68 |
|
Dome / Dish Height |
0.095 |
|
Dom/Dish CC |
-14.2 |
|
Compression Ratio |
10.5 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.175 / SP |
|
Cubic Inch |
429 |
|
Piston Weight |
408 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy LS3 Dish -14.2cc All std 15 deg/ L92 4.130 bore, 4.000 stroke, 6.125 rod 10.5 to 1 Comp with 68cc head (CP Bullets BLS1130-065) |
|---|---|
| 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 BLS1130-065 pistons?
The BLS1130-065 pistons are designed to achieve a compression ratio of 10.5:1 when used with a 68cc head. Ensure that your engine's configuration aligns with this to optimise performance.
What bore and stroke specifications are compatible with these pistons?
These pistons fit a bore size of 4.130 inches and a stroke of 4.000 inches. Make sure your engine block is machined to these specifications for proper fitment.
What type of valve reliefs do the BLS1130-065 pistons have?
The BLS1130-065 pistons feature two valve reliefs, which are designed to accommodate the LS engine's valve train while maintaining optimal compression.
What is the weight of the BLS1130-065 pistons?
Each BLS1130-065 piston weighs 408 grams. This weight is important for balancing the rotating assembly, so consider it during your engine build.
What is the recommended pin size for the BLS1130-065 pistons?
The BLS1130-065 pistons use a pin size of .927 inches and a length of 2.250 inches. Ensure your connecting rods are compatible with these specifications for proper assembly.
