Ford 4.6L 3V 3.572 Bore -14cc Dish (CP Bullets BF9858-020)
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|
Make |
Ford |
|
Engine Type |
3V Power Adder Modular, Dish |
|
Part Number |
BF9858-020 |
|
Bore (in) |
3.572 |
|
Stroke (in) |
3.543 |
|
Rod Length (in) |
5.933 |
|
Comp Height |
1.22 |
|
Head Type |
3V |
|
Head CC |
53 |
|
Dome / Dish Height |
-0.13 |
|
Dom/Dish CC |
-14 |
|
Compression Ratio |
8.8 |
|
Pin |
.866 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-0.09 |
|
Cubic Inch |
284 |
|
Piston Weight |
364 |
|
Style |
Dish |
|
Valve Reliefs |
1 VR |
|
Gas Port |
No |
| Product Name | Ford 4.6L 3V 3.572 Bore -14cc Dish (CP Bullets BF9858-020) |
|---|---|
| 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 BF9858-020 pistons?
For the BF9858-020 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, it's crucial to verify this with your specific engine build and ensure proper fitment based on your machining practices.
What compression ratio can I expect with these pistons in a 3V Ford engine?
These pistons provide a compression ratio of approximately 8.8:1 when used with 53cc 3V heads. Keep in mind that actual compression may vary based on head gasket thickness and other variables in your build.
What is the weight of the BF9858-020 pistons, and how does it affect performance?
The BF9858-020 pistons weigh 364 grams each. Lighter pistons can improve engine response and RPM capabilities, but ensure your connecting rods and crankshaft are rated for the intended power levels to maintain reliability.
Do I need to modify my engine for these pistons?
Depending on your specific engine setup, you may need to perform some machining, such as honing the cylinder bores or adjusting the ring gaps. Always check for valve clearance and ensure the piston design suits your application.
What type of rings are compatible with the BF9858-020 pistons?
The BF9858-020 pistons use a ring set with dimensions of 1.5mm x 1.5mm x 3.0mm. Ensure you select high-quality rings that match these specifications for optimal performance and durability.
