SBC, 350, Wissotta Spec, Flat top, 4.035 bore, 1.560 CH, 3.480 stroke, 5.700 Rod, -6.8cc (CP Bullets BC1021-035W)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block Chevy Wissotta Spec |
|
Part Number |
BC1021-035W |
|
Bore (in) |
4.035 |
|
Stroke (in) |
3.48 |
|
Rod Length (in) |
5.7 |
|
Comp Height |
1.56 |
|
Head Type |
All 23 deg |
|
Head CC |
68 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-6.9 |
|
Compression Ratio |
9.8 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
356 |
|
Piston Weight |
452 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | SBC, 350, Wissotta Spec, Flat top, 4.035 bore, 1.560 CH, 3.480 stroke, 5.700 Rod, -6.8cc (CP Bullets BC1021-035W) |
|---|---|
| Brands | CP Carrillo |
| Engine | Chev |
| Make | GM |
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 bore clearance for the BC1021-035W pistons?
For the BC1021-035W 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 intended use.
What compression ratio can I expect with the BC1021-035W pistons?
The BC1021-035W pistons are designed to achieve a compression ratio of approximately 9.8:1 when used with a 68cc cylinder head. Ensure that all components are compatible to achieve the desired compression.
What type of ring set is compatible with the BC1021-035W pistons?
The BC1021-035W pistons use a ring set with dimensions of 1.5mm x 1.5mm x 3.0mm. Ensure the rings are properly gapped according to your engine's specifications for optimal performance.
What is the weight of the BC1021-035W pistons, and how does it affect engine performance?
The BC1021-035W pistons weigh 452 grams each. Lighter pistons can improve engine response and reduce reciprocating mass, but always consider the balance of the entire rotating assembly for reliability.
Are there any specific machining requirements for the BC1021-035W pistons?
Yes, the BC1021-035W pistons may require specific bore honing to ensure proper fitment. Additionally, check for ring groove tolerances and ensure the piston pin fit is correct to avoid any issues during operation.
