CP Pistons 4G64 with EVO VIII/IX Head
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CP Pistons for 4G64 Engines with a EVO VIII/IX Head
Available in:
88mm Stroke
- Bore: 87mm (+0.5mm) / Stroke: 88mm / Comp: 8.5:1 - Part#: SC7258
- Bore: 87.5mm (+1mm) / Stroke: 88mm / Comp: 8.5:1 - Part#: SC7259
- Bore: 87mm (+0.5mm) / Stroke: 88mm / Comp: 10.5:1 - Part#: SC7260
- Bore: 87.5mm (+1mm) / Stroke: 88mm / Comp: 10.5:1 - Part#: SC7261
100mm Stroke
- Bore: 87mm (+0.5mm) / Stroke: 100mm / Comp: 9.5:1 - Part#: SC7262
- Bore: 87.5mm (+1mm) / Stroke: 100mm / Comp: 9.5:1 - Part#: SC7263
- Bore: 87mm (+0.5mm) / Stroke: 100mm / Comp: 10.5:1 - Part#: SC7264
- Bore: 87.5mm (+1mm) / Stroke: 100mm / Comp: 10.5:1 - Part#: SC7265
| Product Name | CP Pistons 4G64 with EVO VIII/IX Head |
|---|---|
| Brands | CP Carrillo |
| Engine | 4G64 with EVO VIII/IX Head |
| Make | Mitsubishi |
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 CP Pistons in the 4G64 with EVO VIII/IX Head?
For CP Pistons in the 4G64 with EVO VIII/IX Head, a typical bore clearance is around 0.0015" to 0.0025". However, this can vary based on the specific application, so it's essential to consult with your engine builder for the best fit.
What compression ratio options are available for the CP Pistons in this application?
The CP Pistons for the 4G64 with EVO VIII/IX Head are available in multiple compression ratios: 8.5:1 and 10.5:1 for both 88mm and 100mm stroke configurations. Choose the compression ratio based on your intended power goals and fuel type.
Do I need to modify my cylinder head when using these pistons?
When using CP Pistons with the EVO VIII/IX Head, you may need to check for valve clearance, especially if opting for higher compression ratios. It's advisable to perform a mock-up assembly to ensure proper clearance before final assembly.
What are the implications of using different bore sizes with these pistons?
Using different bore sizes (87mm vs. 87.5mm) will affect the engine's displacement and potentially its power output. Ensure that your engine is properly tuned to accommodate the chosen bore size for optimal performance.
What is the recommended piston-to-wall clearance for these CP Pistons?
For CP Pistons in the 4G64 with EVO VIII/IX Head, a piston-to-wall clearance of approximately 0.002" to 0.003" is recommended. This clearance helps accommodate thermal expansion and ensures reliable performance.
