Do I need to tune my ride? - Page 3
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This is a discussion on Do I need to tune my ride? within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; Originally Posted by razzer thanks You did help but cant I just keep my crank an change bearings , rods ...

  1. #31
    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by razzer View Post
    thanks You did help but cant I just keep my crank an change bearings , rods , pistons an rings. is that enough for the "low end". I think I going with cobb tuning stage 3? Thanks for the help.

    Doing that you could make an engine that will make power up top, but it will be slow to spool the turbo, and not have much power below 4k. The 75mm 2L crank isn't very good for spooling a turbo, but if you want a high revving motor and don't care about torque for driving around town then you could do that.. but you will have to run an even larger turbo, which will spool even later. The car would be gutless under 4500rpm.. not what I consider fun to drive.


    I must admit I'm a little confused now. I thought you said you wanted 350hp or more on pump gas? Assuming you mean 350whp, since you can't measure chp.. The Cobb stage 3 setup with a vf39 would be lucky to make 250whp, closer to 230-240whp in reality. That's wayyy below what you stated your power goal to be.



    Quote Originally Posted by razzer View Post
    I understand I don't need to rebuild but I will help right?

    Help what? Rods, pistons, and bearings will have no effect on power, just the amount of power the engine can handle without breaking.

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  3. #32
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    thanks for the 411 I guess there is a lot to think about. "THINKING" next year is when Ill start. PS all I have is about $5000 to get started on just the engine.

  4. #33
    Moderator Donkey's Avatar
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    I ran an 18G @ 22 psi to redline on the stock OEM motor. When I sold that car it had 200k miles on it with the original motor and still running strong. Zero motor work.
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  5. #34
    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by razzer View Post
    all I have is about $5000 to get started on just the engine.

    Double that and you'll have a start.

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