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.70 a/r vs. .82 What's the better 35r?

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Old Aug 27, 2007 | 11:37 AM
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.70 a/r vs. .82 What's the better 35r?

Which housing do you guys think and why? Thinking about going to the 35r and don't know why it seems the .70 is on alot of 35r turbos. I have a .70 a/r on m 30r.

I want to get a 35r and I'm tired of waiting for the HTA 35r.
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Old Aug 27, 2007 | 11:39 AM
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if it's a street car i'd go with the .63 and if it's a race car go for the .82 but it is a bit laggier.......but makes up on top end.......

Last edited by Rez90; Aug 27, 2007 at 11:47 AM.
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Old Aug 27, 2007 | 11:44 AM
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I believe your referring to the .70 A/R on the Compressor housing. The .82 would be on the hotside of the turbo.
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Old Aug 27, 2007 | 11:47 AM
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Originally Posted by Rez90
if it's a street car i'd go with the .63 and if it's a race car go for the .82 but it is a bit laggier.......but makes up on top end.......
sorry, i was referring to the hotside.........i misunderstood.
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Old Aug 27, 2007 | 11:52 AM
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Thanks. I got them mixed up looking at the garrett site.
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Old Aug 27, 2007 | 04:57 PM
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Originally Posted by itzwolf
I believe your referring to the .70 A/R on the Compressor housing. The .82 would be on the hotside of the turbo.
kind of a stupid question but how do you know that? is the hotside always bigger than the compressor housing? how does it work?thanks
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Old Aug 27, 2007 | 09:34 PM
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some answers pleeaassee..
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Old Aug 28, 2007 | 05:26 AM
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Originally Posted by MRevolutionRed
kind of a stupid question but how do you know that? is the hotside always bigger than the compressor housing? how does it work?thanks

It's because the .70 A/R figure for the compressor is more or less standard. It's the turbine side that is 'tuned' for the application.
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Old Aug 28, 2007 | 07:09 AM
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To the best of my knowledge, when they refer to a .82 or .70 or .63 or whatever. It refering to the space between the fins of either the compressor (Intake side (cold))or the Turbine (exhaust side(Hot)).
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