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Thread: VS with rb30det or rb25det?

  1. #1
    Nzpure's Avatar
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    Default VS with rb30det or rb25det?

    OK so my cousin loves the look of his holdy but wants a jappa engine in it. He is still tossing up whether to go rb30det or rb25det, so he has asked me to come on here and suss out how hard the conversion would be and the things he should watch out for.
    So with that in mind here are some questions.

    1.) Ecu and wiring side of things, Would you/could you use the factory ECU?
    How difficult would it be to wire it all up, speedo and engine management
    side of things aswell as the BCM as its a VS V6 currently.

    2.) I assume we could just use a VL subframe am i right?

    3.) what do you guys reakon rb30det or rb25det?

    4.) anything else you guys think will be an issue?
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    WogBoyz's Avatar
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    from what ive read you cant put an older motor in a newer car i may be wrong but might be something to look into, im sure someone else will have more info on this

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    Nzpure's Avatar
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    you can here in NZ we don't have any emission laws or anything like that
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    Quote Originally Posted by Nzpure View Post
    you can here in NZ we don't have any emission laws or anything like that
    ahhh kk that makes sense i knew i would be wrong lol

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    Do it properly and go RB26DETT
    Quote Originally Posted by destiny View Post
    so im gonna need a supercharger? fck that ruined my dreams, oh well, it will b easyier to get a turbo then i dont have to pay for the boost.

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    rb30det, but I'm biased...
    Quote Originally Posted by vn_v6 View Post
    be A SIICK ****, and weld ur exhaust to your body, that way when u drive, people wont think your exhasut or motor is stock cus it will vibrate and be loud, and be cool

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    Nzpure's Avatar
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    heheheh well here in NZ rb's are cheap as chips i think he's really set on the 25 but the 30 stilll appeals to him we just need to sort out how you do all the wiring and running the ecu and shit
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    the 30 twin cam is nothing but trubles unless you do it right the first time.
    i had a 25 non turbo ina vl and it hardly moved due to the diff gears. vs have 3.08:1 in nz still? you may need a change to 4.11:1
    wiring side of things it will need to be the motor engine ecu or a wolf or somethng like that and matched to the bcm. i am unshure how to do this as ive never gorn in to it on a newer commodore.

    my advise sell the commodore and buy a skyline you will save your self thousands

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    bro tim honestly this aint even a serious question man go the rb30det man just with forged pistons they can get reliably 800 hp well our friends at r.i.p.s can they can do a 1200hp short block for 10 k bro so the rb30det aint even a compition if you want best flowing heads go the gtr head on the rb30det you can even get rips to prep the engine for big boost if you like even jsut check over it a standard crank can handle over 1000hp and the rods alone can handle 800 hp and thats standard rods

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    i talked to rips not long ago and they were more than happy to do a prep cheaply and a rb30 also is cheaper to get than a rb25 i recon at the end of the day the above is just my opinion but when a standard crank can handle http://www.youtube.com/watch?v=wo75l...eature=related this you cant complain

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    Quote Originally Posted by Nzpure View Post
    you can here in NZ we don't have any emission laws or anything like that
    sorry man ... we do ... but depends on the year of your vehicle

    Environmental standards | NZ Transport Agency
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    sounds like something different, glad its not a jap 4 cyl lol. ( like the one they put in mustang in fast and furious.) sorry that thought popped in my head soon as i was reading this



    not sure if this is still correct but years ago i heard u could put a chev in a vn as long as it was ran strait gas... this was something i read in a street machine or similar mag, but like i said years ago.
    Last edited by macka75; 27-04-2010 at 11:55 AM. Reason: added to
    only milk and juice should come in 2 litres

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    Quote Originally Posted by macka75 View Post
    sounds like something different, glad its not a jap 4 cyl lol. ( like the one they put in mustang in fast and furious.) sorry that thought popped in my head soon as i was reading this
    um that was a rb25det in that mustang or was it a 26 but still it was a 6

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    Quote Originally Posted by V8Silverfox View Post
    sorry man ... we do ... but depends on the year of your vehicle

    Environmental standards | NZ Transport Agency
    that more or less applies to new or used vehicles been imported into NZ.

    the laws regarding used vehicles are a little looser
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    Nzpure's Avatar
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    Yea bro in NZ as long as its got driveshaft loops your all good lol
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