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Thread: 2TG versus 3T GTE chain tensioner?

  1. #1
    Junior Member Domestic Engineer TA22 GT's Avatar
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    Default 2TG versus 3T GTE chain tensioner?

    Hi,
    Can anyone confirm if a 2TG Kameari tensioner will fit onto a 3T GTE head?



    Kameari say it doesn't but I'm not convinced as the heads look identical. Eg for heads with the oval plate cover.

    Cheers,
    Simon

  2. #2
    Junior Member Backyard Mechanic
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    Default Re: 2TG versus 3T GTE chain tensioner?

    Gasket, and cover look like the same part number to me (for the oval one) on www.toyodiy.com. Looks like it would be perfect. Keen to know also

    Roger

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    Junior Member Domestic Engineer TA22 GT's Avatar
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    Default Re: 2TG versus 3T GTE chain tensioner?

    I'll do some more research. I'm sure it wouldn't take much to get it to work. I think I'll buy one anyway and give it a go....

    I emailed Kameari and they say straight out it won't fit! Very strange...

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    Default Re: 2TG versus 3T GTE chain tensioner?

    Just to clarify what I have said above,

    2tg and 3tgte oval inspection plate share the same part number

    2tg and 3tgte oval inspection plate gasket share the same part number

    Based on this the it safe to say the oval tensioner is going to bolt in.

    2tg and 3tgte share the same oem tensioner.

    Check if the 2tg and 3tgte run the same chain and guides and sliper, if this is the case I would suggest it is a bolt in afair.

    Kameari are US? if so they would not have seen that many 3tgte's

    Since heads, cams are interchangleable I doubt Toyota have changed the timing stuff too much.

    Any one know if the timing covers are interchangable?

    Roger

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    Grease Monkey 1st year Apprentice 4AGTE_TA22's Avatar
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    Default Re: 2TG versus 3T GTE chain tensioner?

    The timing covers are interchangeable and i have used 3tgte guides and slipper in a 2tg not sure if the chains are the same but i assume they would be as everything else is the same.

    Cheers
    Dave

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    Junior Member Domestic Engineer TA22 GT's Avatar
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    Default Re: 2TG versus 3T GTE chain tensioner?

    These are made in Japan, the guys know about the 3T GTE so its odd how they seem so sure it won't fit. I think the 2TG tensioner does have minor differences with the 3T GTE. From memory the shaft length is longer on the 3T GTE, maybe thats the issue?

    This is an expensive item, not sure many people have done this at this point...

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    Default Re: 2TG versus 3T GTE chain tensioner?

    TA22 GT,

    http://www.toyodiy.com/ shows the slipper and tensioner 2 to be the same part number between 2tg and 3tgte, there is a difference with the early model, but the later oval model has the same numbers, it would seem to me all parts inside are the same. I would put all of the above this to the kameari folk and ask what stops it from going on the 3tgte? because looks to me as if it could.

    Yes an expensive item but looks to be a good solution in light slipper avaliability

    Roger

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    Default Re: 2TG versus 3T GTE chain tensioner?

    Hi Roger,
    I've done that but Kameari still say is won't fit. They dont seem to want to discuss why...Anyway, I think I'll buy one anyway and then I'll know for sure. But like you I really can't see why it wont bolt straight in....

  9. #9
    Junior Member Grease Monkey
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    Default Re: 2TG versus 3T GTE chain tensioner?

    I have it on my 3tgteu. Will post pics soon. I am not running the stock dizzy that could be an issue? Also I bought one of there "wham dango" top chains when I bought the tensioner and noticed it was supper tight. I kind of figured it was because of the new chain?
    Last edited by turbotoy; 02-03-2011 at 07:54 AM.
    TE-72 (T-18) w/3tgteu fully built
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    Junior Member Grease Monkey
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    Default Re: 2TG versus 3T GTE chain tensioner?




    TE-72 (T-18) w/3tgteu fully built
    Haltech e6x direct fire/sequential
    ae-86 (levin) footwork
    TE-71 w/1uzfe
    Autronics SM4

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    Default Re: 2TG versus 3T GTE chain tensioner?

    hmmm
    does that mean that there is a potential this could work for an 18RG?
    from memory the plate cover is also the same (although the slipper was different but the tensioner was the same)

  12. #12
    Junior Member Domestic Engineer TA22 GT's Avatar
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    Default Re: 2TG versus 3T GTE chain tensioner?

    Quote Originally Posted by turbotoy View Post
    Thanks Turbotoy, looks like its perfect for the 3T GTE. Are you happy with their chain? What do you mean by tight? Are the joints stiff or is the chain wider or something?

  13. #13
    Junior Member Grease Monkey
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    Default Re: 2TG versus 3T GTE chain tensioner?

    Hardly any slack. It tensions the chain from left (loose) to right (tight). (zinc coated thing) With the Kameari chain I was at the least amount of tension (all the way left) and still had a time getting the cam sprockets on. The chain and tensioner say in the instructions that the chain will stretch some after 500 KM and requires adjusting. That is why I am not sweating it being tight. Also when I sent Kameari a picture of the setup they didn't say anything about it not fitting the 3tgteu. Just said thanks for buying there product.
    TE-72 (T-18) w/3tgteu fully built
    Haltech e6x direct fire/sequential
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  14. #14
    Junior Member Domestic Engineer TA22 GT's Avatar
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    Default Re: 2TG versus 3T GTE chain tensioner?

    Quote Originally Posted by turbotoy View Post
    Hardly any slack. It tensions the chain from left (loose) to right (tight). (zinc coated thing) With the Kameari chain I was at the least amount of tension (all the way left) and still had a time getting the cam sprockets on. The chain and tensioner say in the instructions that the chain will stretch some after 500 KM and requires adjusting. That is why I am not sweating it being tight. Also when I sent Kameari a picture of the setup they didn't say anything about it not fitting the 3tgteu. Just said thanks for buying there product.
    Interesting...from memory the length of the 2TG is different to the 3T GTE, perhaps this is whats making it a tighter fit?
    Somewhere I saw a pic of a 2TG and 3T GTE tensioner side by side showing this difference...

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    Junior Member Grease Monkey
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    Default Re: 2TG versus 3T GTE chain tensioner?

    For what I looked at on diytoyota diagrams the 2tgeu and 3tgteu have the same part number chain and tensioner. What you might have seen is one from another engine the 5me used a similar tensioner or one from an HKS or TRD kit. Back in the day when you bought a Idler gear like you got a new tensioner because the idler eliminates the right slipper (guide).

    I have a shaved head but thick copper head gasket. That could be causing the tightness. Also notice I have both products so no more factory chain guides. I really think this should work on any 3tgteu, 2tg, or 2tgteu. Just need more people to confirm.
    TE-72 (T-18) w/3tgteu fully built
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