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Thread: How much hp at 7lbs on stock GSR could I expect?

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  1. #1
    Let the Motha burn Turbodude06's Avatar
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    ^x2 u should expect anywere from 210-240 on 7 psi tuned. But not tuned who knows could be 180-250 and its not going to last long... Tuning is your friend.....
    -If You Own A Honda And Say "Headers", Go Jump Off Bridge...........


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    The turbo has been on the car since 04 untuned. maybe 30k miles since installed because it was not a daily driver. I just bought it so hopefully it will last a little while longer until I can get it dyno tuned. Im curious as to why 7 lbs of psi would vary from turbo to turbo. I mean no matted what size turbo is on the car, 7 lbs of psi is 7 lbs. I mean I know some spool faster then others but thats the only difference. Right?

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    Mountain man green91's Avatar
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    Quote Originally Posted by lookitzme16 View Post
    The turbo has been on the car since 04 untuned. maybe 30k miles since installed because it was not a daily driver. I just bought it so hopefully it will last a little while longer until I can get it dyno tuned. Im curious as to why 7 lbs of psi would vary from turbo to turbo. I mean no matted what size turbo is on the car, 7 lbs of psi is 7 lbs. I mean I know some spool faster then others but thats the only difference. Right?
    No, the difference in turbos is the actual air VOLUME not pressure. 7psi through a coke straw and 7psi through a piece of 6" pvc pipe.. which is going to be more air??

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    Yeah I understand that. I guess I thought it measured boost after the turbo but maybe im wrong. After the turbo it would be the same either way since it would be going thru the same size tubing. I really dont know much about it. just trying to learn now

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    Certified Gearhead T34me's Avatar
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    Quote Originally Posted by lookitzme16 View Post
    I mean I know some spool faster then others but thats the only difference. Right?

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