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20b compression is 9:1 and N/A is the same

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Old Mar 16, 2003 | 03:45 PM
  #1  
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From: las vegas Nevada
20b compression is 9:1 and N/A is the same

Why cant you turbo and na 13b it has a 9:1 compression rating and so does the 20b right or not? So why is it everyone is against turboing an NA

just a question Im still learning here
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Old Mar 16, 2003 | 03:53 PM
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wwilliam54's Avatar
it WILL run
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From: Raleigh,MS
you can turbo an n/a engine
its just more prone to detonate
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Old Mar 16, 2003 | 03:59 PM
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N/A 13Bs have static compressions of either 9.4:1 or 9.7:1, depending on the series.

Brandon
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Old Mar 16, 2003 | 05:09 PM
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From: Houston
Yep 8.5: or 9:1 for the turbo engines and then what he just said.
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Old Mar 17, 2003 | 08:28 PM
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lol... thanks guys just was curious. by the way what is static compresion mean

And cant you just put turbo rotors in it then turbo it ????
thanks for the learnign lesson thou
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Old Mar 17, 2003 | 09:10 PM
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The stock 20B runs the same static compression as the S5 13BT, 13B-REW, and 13B-RE; thus, it's already got "turbo rotors". Some have installed S5 9.7:1 rotors and run it N/A with good results.

Static compression is the geometric compression ratio of the engine (ratio of volume at BDC to volume at TDC).

Brandon
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