Small Block Ford 418 STD/Twisted Bore 4.030 CH 1.240 Stroke 4.100 Rod 6.200 CR 11.6 Flat Head 62cc (CP Bullets BF6054-030)
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|
Make |
Ford |
|
Engine Type |
Small Block |
|
Part Number |
BF6054-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
4.1 |
|
Rod Length (in) |
6.2 |
|
Comp Height |
1.24 |
|
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 |
444 |
|
Style |
FT |
|
Valve Reliefs |
3 VR's |
|
Gas Port |
No |
| Product Name | Small Block Ford 418 STD/Twisted Bore 4.030 CH 1.240 Stroke 4.100 Rod 6.200 CR 11.6 Flat Head 62cc (CP Bullets BF6054-030) |
|---|---|
| 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 bore clearance for the BF6054-030 pistons?
For the BF6054-030 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on the specific application and intended use, so always consult your engine builder for the best fitment.
What compression ratio can I expect with the BF6054-030 pistons and 62cc heads?
The BF6054-030 pistons provide a compression ratio of 11.6:1 when used with 62cc heads. Keep in mind that actual compression can vary based on factors such as head gasket thickness and combustion chamber modifications.
What type of ring gaps should I set for the BF6054-030 pistons?
For the BF6054-030 pistons, a common starting point for ring gaps is 0.004" per inch of bore for the top rings and slightly more for the second rings. Adjustments may be necessary based on your specific application and boost levels.
Are there any specific machining requirements for the BF6054-030 pistons?
Yes, the BF6054-030 pistons may require careful attention to bore sizing and honing to ensure proper fit. It's crucial to check for any variations in bore size and adjust accordingly to achieve the correct clearance.
What is the weight of the BF6054-030 pistons and how does it affect performance?
The BF6054-030 pistons weigh 444 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.
