Ford SB 5.4L 4V Mod Bore 3.572 CH 1.320 Stroke 4.165 Rod 6.657 CR 9 Dish 53 Head (CP Bullets BF9854-020)
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|
Make |
Ford |
|
Engine Type |
V8 Modular 5.4L, Dish 4V |
|
Part Number |
BF9854-020 |
|
Bore (in) |
3.572 |
|
Stroke (in) |
4.165 |
|
Rod Length (in) |
6.657 |
|
Comp Height |
1.32 |
|
Head Type |
Stock 4V |
|
Head CC |
53 |
|
Dome / Dish Height |
0.18 |
|
Dom/Dish CC |
-21.4 |
|
Compression Ratio |
9.1 |
|
Pin |
.866 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
N/A |
|
Cubic Inch |
334 |
|
Piston Weight |
373 |
|
Style |
Dish |
|
Valve Reliefs |
4 VR's |
|
Gas Port |
No |
| Product Name | Ford SB 5.4L 4V Mod Bore 3.572 CH 1.320 Stroke 4.165 Rod 6.657 CR 9 Dish 53 Head (CP Bullets BF9854-020) |
|---|---|
| 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 compression ratio for the BF9854-020 pistons?
The BF9854-020 pistons have a compression ratio of 9.1:1 when used with stock 4V heads with a 53cc chamber. Ensure that your engine's overall setup aligns with this ratio for optimal performance.
What are the specific machining requirements for the BF9854-020 pistons?
When installing the BF9854-020 pistons, ensure that you set the correct bore clearance and ring gaps according to your engine's specifications. Proper honing of the cylinder bores may also be necessary to accommodate the pistons.
What is the weight of the BF9854-020 pistons, and how does it affect performance?
The BF9854-020 pistons weigh 373 grams each. Lighter pistons can improve engine response and reduce rotational mass, but ensure that your engine's balance and rotating assembly are properly configured to handle this weight.
Are there any specific considerations for the valve reliefs on the BF9854-020 pistons?
The BF9854-020 pistons feature four valve reliefs, which are designed to accommodate the stock 4V head configuration. Verify that your camshaft and valve train setup will not interfere with these reliefs during operation.
What is the pin size for the BF9854-020 pistons, and what should I consider for pin fitment?
The BF9854-020 pistons use a pin size of .866 x 2.500 inches. Ensure that the connecting rods you are using are compatible with this pin size and that proper clearance is maintained for smooth operation.
