Chevy 355ci ASCS 4.015 Bore 1.250 CH 14cc Dome Vert Gas Ports - Lefts & Rights (CP Bullets BCRE1340-015)
Brands
CP Carrillo
Engine
Chev
Make
GM
Delivery & Freight
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Disclaimer:
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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 BCRE1340-015 pistons?
For the BCRE1340-015 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, final clearance should be determined based on your specific engine build and operating conditions.
What compression ratio can I expect with these pistons in a 355ci small block?
The BCRE1340-015 pistons provide a compression ratio of approximately 14.1:1 when used with 58cc heads. Ensure that your engine's setup, including camshaft and fuel quality, can support this high compression.
What type of fuel is suitable for use with the BCRE1340-015 pistons?
Given the high compression ratio of 14.1:1, these pistons are best suited for high-octane fuels, such as 98 RON or race fuel, to prevent detonation and ensure optimal performance.
Do I need to modify my cylinder heads for clearance with these pistons?
Yes, you may need to check for valve clearance with the BCRE1340-015 pistons, especially since they feature two valve reliefs. Ensure that your cylinder heads are compatible and that there is adequate clearance during engine assembly.
What is the weight of the BCRE1340-015 pistons and how does it affect my engine?
The BCRE1340-015 pistons weigh 463 grams each. This weight is typical for performance applications, but keep in mind that lighter pistons can improve engine response and reduce stress on the connecting rods and crankshaft.
