Small Block Ford 418 ci 4.030 1.250 +5.77cc (CP Bullets BFR6063-030)
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|
Make |
Ford |
|
Engine Type |
Small Block |
|
Part Number |
BFR6063-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
4.1 |
|
Rod Length (in) |
6.2 |
|
Comp Height |
1.25 |
|
Head Type |
Most 19 / 20 deg |
|
Head CC |
62 |
|
Dome / Dish Height |
0.25 |
|
Dom/Dish CC |
5.77 |
|
Compression Ratio |
13.9 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.2 x 1.2 x 3.0mm |
|
VR Depth |
-.280 / SP |
|
Cubic Inch |
418 |
|
Piston Weight |
463 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Ford 418 ci 4.030 1.250 +5.77cc (CP Bullets BFR6063-030) |
|---|---|
| Brands | CP Carrillo |
| Engine | Ford V8, Small Block Ford |
| 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 BFR6063-030 pistons?
The BFR6063-030 pistons provide a compression ratio of 13.9 when used with a 62cc head. Ensure that your engine's setup, including fuel quality and tuning, can support this compression level.
What are the specific machining requirements for the BFR6063-030 pistons?
When installing the BFR6063-030 pistons, it is crucial to ensure the correct bore clearance is achieved. The engine builder should also set the ring gaps according to the intended use and RPM range of the engine.
What is the weight of the BFR6063-030 pistons, and how does it affect performance?
The BFR6063-030 pistons weigh 463 grams. While this weight is suitable for performance applications, consider the overall rotating assembly balance and the intended RPM range to maintain engine reliability.
Are there any specific valve relief considerations for the BFR6063-030 pistons?
The BFR6063-030 pistons feature two valve reliefs. Ensure that your cylinder heads and camshaft profile are compatible to avoid any clearance issues during operation.
What is the pin size for the BFR6063-030 pistons, and what should I consider for fitment?
The BFR6063-030 pistons use a pin size of .927 x 2.500 inches. Verify that your connecting rods are compatible with this pin size and ensure proper fitment to maintain engine integrity.
