Chevy LS2 365ci AFR LS3 12° 4.005 bore 1.300 CH -3.8cc Flat Top (CP Bullets BLS1150-005)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1150-005 |
|
Bore (in) |
4.005 |
|
Stroke (in) |
3.622 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.3 |
|
Head Type |
AFR LS3 12 * |
|
Head CC |
68 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-3.8 |
|
Compression Ratio |
10.1 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.200 / SP |
|
Cubic Inch |
365 |
|
Piston Weight |
483 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy LS2 365ci AFR LS3 12° 4.005 bore 1.300 CH -3.8cc Flat Top (CP Bullets BLS1150-005) |
|---|---|
| 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 bore clearance for the BLS1150-005 pistons?
For the BLS1150-005 pistons, a typical bore clearance of 0.0020" to 0.0025" 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 BLS1150-005 pistons?
The BLS1150-005 pistons are designed to achieve a compression ratio of approximately 10.1:1 when used with AFR LS3 12° heads with a 68cc chamber. Ensure that all components are compatible to achieve this ratio reliably.
What is the weight of the BLS1150-005 pistons, and how does it affect engine performance?
The BLS1150-005 pistons weigh 483 grams each. Lighter pistons can improve engine response and reduce stress on the connecting rods, but ensure that the entire rotating assembly is balanced to maintain reliability.
Do the BLS1150-005 pistons require any specific machining before installation?
Yes, the BLS1150-005 pistons may require specific machining such as bore honing to achieve the correct clearance. Always consult with your engine builder to ensure proper fitment and performance.
What type of rings are compatible with the BLS1150-005 pistons?
The BLS1150-005 pistons use a ring set with dimensions of 1.5mm x 1.5mm x 3.0mm. Ensure that the rings are properly gapped according to your engine's specifications for optimal performance.
