Small Block Ford 408ci STD/Twisted Bore 4.040 CH 1.280 Stroke 4.000 Rod 6.200 CR 10.3 Dish Head 58 (CP Bullets BF6062-040)
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|
Make |
Ford |
|
Engine Type |
Small Block |
|
Part Number |
BF6062-040 |
|
Bore (in) |
4.04 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.2 |
|
Comp Height |
1.28 |
|
Head Type |
STD/ TFS Twisted |
|
Head CC |
58 |
|
Dome / Dish Height |
-0.125 |
|
Dom/Dish CC |
-21 |
|
Compression Ratio |
10.3 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.280 / SP |
|
Cubic Inch |
410 |
|
Piston Weight |
464 |
|
Style |
Dish |
|
Valve Reliefs |
3 VR's |
|
Gas Port |
No |
| Product Name | Small Block Ford 408ci STD/Twisted Bore 4.040 CH 1.280 Stroke 4.000 Rod 6.200 CR 10.3 Dish Head 58 (CP Bullets BF6062-040) |
|---|---|
| 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 BF6062-040 pistons?
For the BF6062-040 pistons, a typical bore clearance of 0.0035" to 0.0045" is recommended. However, this can vary based on your specific engine build and operating conditions, so always consult with your engine builder for the best fit.
What compression ratio can I expect with the BF6062-040 pistons in my Small Block Ford?
The BF6062-040 pistons provide a compression ratio of 10.3:1 when used with 58cc heads. Ensure that your engine's overall setup, including head gasket thickness and combustion chamber volume, is considered to achieve this ratio.
What type of ring gaps should I use with the BF6062-040 pistons?
For the BF6062-040 pistons, ring gaps should be set according to the intended use of the engine. A common starting point is 0.004" per inch of bore for the top rings and slightly larger for the second rings. Always verify with your engine builder for specific applications.
What is the weight of the BF6062-040 pistons and how does it affect performance?
The BF6062-040 pistons weigh 464 grams. While lighter pistons can improve throttle response and reduce reciprocating mass, it's essential to balance them with the entire rotating assembly for optimal performance and reliability.
Are there any specific machining requirements for the BF6062-040 pistons?
Yes, the BF6062-040 pistons may require specific machining such as honing of the cylinder bores to achieve the correct clearance. Additionally, ensure that the piston pin bores are properly sized and that the piston-to-wall clearance is within recommended limits for your application.
