Chevy 358ci ASCS 4.035 Bore 1.250 CH 14cc Dome Vert Gas Ports - Lefts & Rights (CP Bullets BCRE1340-035)
Brands
CP Carrillo
Engine
Chev
Make
GM
Delivery & Freight
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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 BCRE1340-035 pistons?
For the BCRE1340-035 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this may vary based on your specific engine build and intended use, so always consult with your engine builder for precise specifications.
What compression ratio can I expect with the BCRE1340-035 pistons?
The BCRE1340-035 pistons are designed to achieve a compression ratio of approximately 14.1:1 when used with a 58cc ASCS head. Ensure that your engine's configuration supports this ratio for optimal performance.
What type of gas ports are included with the BCRE1340-035 pistons?
The BCRE1340-035 pistons feature gas ports designed to improve ring seal and reduce blow-by. This design is particularly beneficial for high-performance applications where maintaining cylinder pressure is critical.
What is the weight of the BCRE1340-035 pistons and how does it affect performance?
The BCRE1340-035 pistons weigh 473 grams. While lighter pistons can improve engine response and reduce reciprocating mass, ensure that your connecting rods and crankshaft are compatible with this weight for reliable performance.
What is the significance of the valve reliefs on the BCRE1340-035 pistons?
The BCRE1340-035 pistons come with two valve reliefs, which are essential for preventing piston-to-valve contact in high-lift camshaft applications. Ensure your camshaft specifications align with these reliefs to avoid potential engine damage.
