Recommended compression ratio for a 2.0 bored 1.8T with a GT28RS?

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07-19-2006, 06:36 AM

#11

CO AVANT

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ahh, I see. What is the b5's stock compression ratio?

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07-19-2006, 06:55 AM

#12

VTB(Erik)

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9.5:1

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07-19-2006, 07:16 AM

#13

CO AVANT

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So, what about going to a 9:1:1? Is that even that much difference compared to a 9:5:1........

if we are talking about piston speed?

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07-19-2006, 07:18 AM

#14

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Shouldn't the piston speeds already be slower at this elevation since I'm not making as much power?

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07-19-2006, 07:38 AM

#15

VTB(Erik)

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Piston speed is dependent on the stroke/rpm only so it would be the same...

I don't have first hand experience building the 1.8T and I'd rather not speculate.

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