Small Block Ford 351C / CHI 3V Kaase 4.030 bore, 3.850 stroke, 6.00 rod 1.250 CH -14cc dish, 1.5mm, 1.5mm, 3mm rings (CP Bullets BF6051-030)
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|
Make |
Ford |
|
Engine Type |
Small Block |
|
Part Number |
BF6051-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
3.85 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.25 |
|
Head Type |
CHI 3V Kaase |
|
Head CC |
50 |
|
Dome / Dish Height |
-0.069 |
|
Dom/Dish CC |
-14 |
|
Compression Ratio |
11.1 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.280 / -.100 |
|
Cubic Inch |
393 |
|
Piston Weight |
487 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Ford 351C / CHI 3V Kaase 4.030 bore, 3.850 stroke, 6.00 rod 1.250 CH -14cc dish, 1.5mm, 1.5mm, 3mm rings (CP Bullets BF6051-030) |
|---|---|
| Brands | CP Carrillo |
| Engine | Ford V8 |
| Make | Ford |
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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 BF6051-030 pistons?
The BF6051-030 pistons have a compression ratio of 11.1:1 when used with the CHI 3V Kaase heads with a 50cc chamber. Ensure your engine is built to handle this compression for optimal performance.
What type of ring gaps should I set for the 1.5mm, 1.5mm, 3mm rings on these pistons?
Ring gaps for the BF6051-030 pistons should be set according to your specific application and usage. Generally, consider the intended RPM range and boost levels, and consult with your engine builder for precise specifications.
Do I need to modify the piston for valve clearance with the BF6051-030?
The BF6051-030 pistons come with two valve reliefs designed for compatibility with typical camshaft profiles. However, always check for clearance during assembly, especially if using a high-lift cam.
What is the weight of the BF6051-030 pistons, and how does it affect performance?
The BF6051-030 pistons weigh 487 grams. Lighter pistons can improve engine response and reduce stress on the connecting rods, but ensure your rotating assembly is balanced for best performance.
What are the implications of using a dish piston like the BF6051-030 in my engine build?
Using a dish piston like the BF6051-030 can help lower the compression ratio, which may be beneficial for forced induction applications. Ensure the dish volume aligns with your overall engine design and tuning strategy.
