Chevy LS2 Dish -17.4cc All std 15 deg/ L92 4.125 bore, 4.000 stroke, 6.125 rod 10.3 to 1 Comp with 64cc head (CP Bullets BLS1008-125)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1008-125 |
|
Bore (in) |
4.125 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.11 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
64 |
|
Dome / Dish Height |
-0.11 |
|
Dom/Dish CC |
-17.4 |
|
Compression Ratio |
10.3 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.210 / SP |
|
Cubic Inch |
428 |
|
Piston Weight |
431 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy LS2 Dish -17.4cc All std 15 deg/ L92 4.125 bore, 4.000 stroke, 6.125 rod 10.3 to 1 Comp with 64cc head (CP Bullets BLS1008-125) |
|---|---|
| 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 BLS1008-125 pistons?
The BLS1008-125 pistons are designed for a compression ratio of 10.3:1 when used with a 64cc head. Ensure that your engine's setup, including head and gasket choices, aligns with this specification for optimal performance.
What bore size is required for the BLS1008-125 pistons?
These pistons are designed for a bore size of 4.125 inches. It's critical to ensure that your engine block is machined to this specification to achieve the correct fit and performance.
What type of ring thickness do the BLS1008-125 pistons use?
The BLS1008-125 pistons utilise a ring thickness of 1.5mm for the top and second rings, and 3.0mm for the oil ring. Proper ring gap settings should be determined by the engine builder based on application and usage.
What is the weight of the BLS1008-125 pistons?
The BLS1008-125 pistons weigh 431 grams each. This weight should be considered when balancing the rotating assembly to ensure smooth operation and reliability at higher RPMs.
What is the valve relief configuration for the BLS1008-125 pistons?
The BLS1008-125 pistons feature two valve reliefs. Ensure that your cylinder heads are compatible with this configuration to prevent any interference during engine operation.
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