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Thread: black t 20v throttle bodys fit on silver t 20v motor

  1. #1
    Junior Member 1st year Apprentice
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    Smile black t 20v throttle bodys fit on silver t 20v motor

    will blacktop throttle bodys fix on silvertop motor with standard computer if so how much power gain???
    Last edited by d.s; 14-12-2008 at 08:47 PM.

  2. #2
    ditty man Grease Monkey
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    Default Re: black t 20v throttle bodys fit on silver t 20v motor

    Its not going to make anymore power as the ST heads have smaller ports than the BT heads. So basically the TB's will be larger than the head ports, it will be a bottlenose effect.

  3. #3
    Junior Member 1st year Apprentice
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    Default Re: black t 20v throttle bodys fit on silver t 20v motor

    wat will happen if i put black top cams in it to

  4. #4
    Least it doesnt snore Backyard Mechanic Gary's Avatar
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    Default Re: black t 20v throttle bodys fit on silver t 20v motor

    it'll explode
    JZX83
    UCF11

  5. #5
    ditty man Grease Monkey
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    Default Re: black t 20v throttle bodys fit on silver t 20v motor

    screw both those options and either spend the money you have on a set of cams for it OR sell the BT gear you have and put it towards a set of cams

  6. #6
    Junior Member Backyard Mechanic KARNAGE's Avatar
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    Default Re: black t 20v throttle bodys fit on silver t 20v motor

    i have seen it done with the black top throttle boddies on the st head it was done in townsville at my mates machining shop they opened up the inlet ports slighlty and it worked fine but black top cams is a waste of time spend the extra cash on a good set of cams, they arent to hard to find know a days

  7. #7
    Junior Member Automotive Encyclopaedia
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    Default Re: black t 20v throttle bodys fit on silver t 20v motor

    blacktop ITBs waaaaaay too big for stock/near stock 20v
    in fact some ppl have found an improvement running the silvertop ITBs on race modded black tops. of course the best race 20v is a silvertop
    theres a reason TRD use the blacktop ITBs on the 3sge altezza TRD engines.
    I DONT WORK FOR TOYOTA ANYMORE
    please, no more PMs!

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