Olds 350 Flat Top -1.44cc All 6 deg Olds 4.065 bore, 3.380 stroke, 6.000 rod (CP Bullets BO7000-008)
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|
Make |
Oldsmobile |
|
Engine Type |
Oldsmobile |
|
Part Number |
BO7000-008 |
|
Bore (in) |
4.065 |
|
Stroke (in) |
3.38 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.625 |
|
Head Type |
Stock / Edel |
|
Head CC |
64 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-1.4 |
|
Compression Ratio |
10.7 |
|
Pin |
.984 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.075 / -.075 |
|
Cubic Inch |
351 |
|
Piston Weight |
511 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Olds 350 Flat Top -1.44cc All 6 deg Olds 4.065 bore, 3.380 stroke, 6.000 rod (CP Bullets BO7000-008) |
|---|---|
| Brands | CP Carrillo |
| Engine | Olds |
| Make | Olds |
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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 BO7000-008 pistons?
For the BO7000-008 pistons, a typical bore clearance of 0.0030" to 0.0040" is recommended. This allows for thermal expansion and ensures proper piston operation within the cylinder.
What compression ratio can I expect with the BO7000-008 pistons?
The BO7000-008 pistons are designed to achieve a compression ratio of approximately 10.7:1 when used with 64cc heads. However, actual compression may vary based on head gasket thickness and any modifications to the combustion chamber.
Do I need to machine the piston pin bores for the BO7000-008 pistons?
The piston pin bores on the BO7000-008 pistons may require honing to ensure a proper fit with your connecting rods. Always check the fitment before assembly to avoid any binding or excessive clearance.
What is the weight of the BO7000-008 pistons, and how does it affect performance?
The BO7000-008 pistons weigh 511 grams each. While this weight is suitable for performance applications, it's important to balance the entire rotating assembly to minimise vibrations and ensure optimal engine performance.
Are there any specific machining requirements for the BO7000-008 pistons?
Yes, the BO7000-008 pistons may require specific ring gap settings and bore honing to achieve the desired performance. It's crucial to consult with your engine builder for precise machining requirements based on your build specifications.
