Chevy LS1 Dish -18.2cc All std 15 deg/ L92 3.905 bore, 4.000 stroke, 6.125 rod 9.0 to 1 Comp with 68cc head (CP Bullets BLS1002-007)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1002-007 |
|
Bore (in) |
3.905 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.11 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
68 |
|
Dome / Dish Height |
-0.135 |
|
Dom/Dish CC |
-18.2 |
|
Compression Ratio |
9 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.185 / -.145 |
|
Cubic Inch |
383 |
|
Piston Weight |
376 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy LS1 Dish -18.2cc All std 15 deg/ L92 3.905 bore, 4.000 stroke, 6.125 rod 9.0 to 1 Comp with 68cc head (CP Bullets BLS1002-007) |
|---|---|
| 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 compression ratio for the BLS1002-007 pistons?
The BLS1002-007 pistons are designed for a compression ratio of 9.0 to 1 when used with a 68cc head. Ensure that your engine's configuration aligns with this specification for optimal performance.
What are the specific bore and stroke dimensions for the BLS1002-007 pistons?
The BLS1002-007 pistons are designed for a bore of 3.905 inches and a stroke of 4.000 inches. These dimensions are critical for achieving the intended compression ratio and performance characteristics.
What type of ring thickness is compatible with the BLS1002-007 pistons?
The BLS1002-007 pistons are compatible with 1.5mm x 1.5mm x 3.0mm ring thickness. Ensure proper installation and clearance settings to maintain engine reliability.
What is the weight of the BLS1002-007 pistons, and how does it affect engine performance?
The BLS1002-007 pistons weigh 376 grams. Lighter pistons can improve engine response and reduce reciprocating mass, but ensure that the rest of your rotating assembly is balanced accordingly.
Are there any specific machining requirements for the BLS1002-007 pistons?
Yes, the BLS1002-007 pistons may require specific bore clearance and ring gap settings as determined by the engine builder. Proper machining is essential to ensure optimal performance and longevity.
