BLT-1007-005 Chevy 6.8L LT1/LT2 14-20 4.070 Bore -20cc Dish (CP Bullets BLT-1007-005)
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|
Make |
Chevrolet |
|
Engine Type |
LT1 Series 2014-16 |
|
Part Number |
BLT-1007-005 |
|
Bore (in) |
4.07 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.115 |
|
Head Type |
LT1 14-16 |
|
Head CC |
58.24 |
|
Dome / Dish Height |
Dish |
|
Dom/Dish CC |
-20 |
|
Compression Ratio |
10.5 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.180 / -.200 |
|
Cubic Inch |
416 |
|
Piston Weight |
450 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | BLT-1007-005 Chevy 6.8L LT1/LT2 14-20 4.070 Bore -20cc Dish (CP Bullets BLT-1007-005) |
|---|---|
| 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 BLT-1007-005 pistons?
For the BLT-1007-005 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, always verify with your engine builder as specific clearances may vary based on the application and tolerances.
What compression ratio can I expect with the BLT-1007-005 pistons in an LT1 engine?
The BLT-1007-005 pistons provide a compression ratio of 10.5:1 when used with the LT1 14-16 cylinder heads with a 58.24cc chamber. Ensure that your engine's overall setup, including head gasket thickness and combustion chamber volume, is accounted for to achieve this ratio.
What is the weight of the BLT-1007-005 pistons and how does it affect performance?
The BLT-1007-005 pistons weigh 450 grams each. Lighter pistons can improve engine response and reduce reciprocating mass, which may enhance performance, especially at higher RPMs. However, ensure your connecting rods and crankshaft are suitable for this weight.
Are there any specific machining requirements for the BLT-1007-005 pistons?
Yes, the BLT-1007-005 pistons may require specific machining for proper fitment, including honing of the cylinder bores. Additionally, ensure that the ring gaps are set according to your engine's intended use and boost levels.
What type of valve reliefs do the BLT-1007-005 pistons have?
The BLT-1007-005 pistons feature two valve reliefs, designed to accommodate the LT1 engine's valve geometry. Ensure that the reliefs are compatible with your specific camshaft profile to avoid interference.
