Ford 418ci STD/Twisted 4.030 Bore 1.250 CH -8.7cc Flat Top (CP Bullets BF6055-030)
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|
Make |
Ford |
|
Engine Type |
Small Block |
|
Part Number |
BF6055-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
4.1 |
|
Rod Length (in) |
6.2 |
|
Comp Height |
1.25 |
|
Head Type |
STD/ TFS Twisted |
|
Head CC |
62 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-8.7 |
|
Compression Ratio |
11.6 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.280 / SP |
|
Cubic Inch |
418 |
|
Piston Weight |
447 |
|
Style |
FT |
|
Valve Reliefs |
3 VR's |
|
Gas Port |
No |
| Product Name | Ford 418ci STD/Twisted 4.030 Bore 1.250 CH -8.7cc Flat Top (CP Bullets BF6055-030) |
|---|---|
| Brands | CP Carrillo |
| Engine | Ford V8 |
| Make | Ford |
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 BF6055-030 pistons?
For the BF6055-030 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, this may vary based on your specific engine build and operating conditions, so it's best to consult with your engine builder.
What compression ratio can I expect with the BF6055-030 pistons?
The BF6055-030 pistons are designed to achieve a compression ratio of approximately 11.6:1 when used with standard TFS Twisted heads with a 62cc chamber. Ensure your engine's specifications align for optimal performance.
What type of ring set is compatible with the BF6055-030 pistons?
The BF6055-030 pistons use a ring thickness of 1.5mm x 1.5mm x 3.0mm. Ensure you select a compatible ring set that matches these dimensions for proper sealing and performance.
What is the weight of the BF6055-030 pistons and how does it affect performance?
The BF6055-030 pistons weigh 447 grams. While lighter pistons can improve engine response and reduce inertia, it's essential to balance them with the rest of your rotating assembly to maintain reliability and performance.
Do the BF6055-030 pistons require any specific machining before installation?
Yes, the BF6055-030 pistons may require specific machining for bore clearance and ring gap settings. It's crucial to follow the guidelines provided by your engine builder to ensure proper fitment and performance.
