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High or Low Compression?

  #1  
Old 10-08-2007, 06:46 PM
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Default High or Low Compression?

Let's say I rebuild my engine, how would I decide between OEM specs pistons, High-Comp pistons, or Low-Comp pistons... I don't understand why you wouldn't just go straight to the high compression pistons?
 
  #2  
Old 10-08-2007, 07:02 PM
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Default RE: High or Low Compression?

low compression for boost
high compression for N/A
 
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Old 10-08-2007, 07:03 PM
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Default RE: High or Low Compression?

Ok that's actually what I thought.. Just one thing, what does N A mean exactly? I understand by context that it's a non boosted engine but.. It's not the first time I read that!
 
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Old 10-08-2007, 07:08 PM
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Default RE: High or Low Compression?

naturally aspirated (not sure about the spelling)
 
  #5  
Old 10-08-2007, 07:26 PM
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Default RE: High or Low Compression?

yeah naturaly aspirated just means no turbo. turbo shoves air into the cylinders whereas naturally aspirated doesnt hahah
 
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Old 10-08-2007, 09:04 PM
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Default RE: High or Low Compression?

yup

FI = Forced Induction ie Supercharger, Turbocharger etc

NA = Naturally Aspirated ie You want your engine flowing as best as it can, headwork, good header/exhaust/intake, high compression
 
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