Big Block Chevy 18° 19.0cc dome 4.600 Bore 4.250 stroke 6.535 rod, 14.6 to 1 with 89cc head (CP Bullets BBC5322-100)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBC5322-100 |
|
Bore (in) |
4.6 |
|
Stroke (in) |
4.25 |
|
Rod Length (in) |
6.535 |
|
Comp Height |
1.12 |
|
Head Type |
18 deg fit all |
|
Head CC |
89 |
|
Dome / Dish Height |
0.25 |
|
Dom/Dish CC |
19 |
|
Compression Ratio |
14.6 |
|
Pin |
.990 x 2.930 |
|
Ring Thickness |
1/16 x 1/16 x 3/16 in. |
|
VR Depth |
-0.295 |
|
Cubic Inch |
565 |
|
Piston Weight |
609 |
|
Style |
Dome |
|
Valve Reliefs |
1 VR with Slant |
|
Gas Port |
No |
| Product Name | Big Block Chevy 18° 19.0cc dome 4.600 Bore 4.250 stroke 6.535 rod, 14.6 to 1 with 89cc head (CP Bullets BBC5322-100) |
|---|---|
| Brands | CP Carrillo |
| Engine | Big Block Chev |
| Make | GM |
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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 BBC5322-100 pistons?
The recommended bore clearance for these pistons is typically between 0.0030" to 0.0040". 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 BBC5322-100 pistons and 89cc heads?
The BBC5322-100 pistons are designed to achieve a compression ratio of approximately 14.6:1 when used with 89cc cylinder heads. Ensure that your tuning and fuel quality can support this high compression for optimal performance.
Do I need to modify my cylinder heads to use the BBC5322-100 pistons?
Using the BBC5322-100 pistons may require you to check for adequate valve clearance due to the single valve relief design. Depending on your camshaft profile and head configuration, some modifications might be necessary.
What is the weight of the BBC5322-100 pistons, and how does it affect my engine?
The BBC5322-100 pistons weigh 609 grams each. This weight can influence your engine's rev characteristics and balance, so ensure your rotating assembly is properly balanced to accommodate this weight for reliable performance.
What type of ring set is compatible with the BBC5322-100 pistons?
The BBC5322-100 pistons come with a ring thickness of 1/16 x 1/16 x 3/16 inches. Ensure that you use a compatible ring set designed for these dimensions to maintain proper sealing and performance.
