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Thread: 3tc wont start please help

  1. #76
    Junior Member 1st year Apprentice
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    Default Re: 3tc wont start please help

    Probably because of the low compression, the aerostart gets it going and then the petrol will keep it going.

  2. #77
    Been there.. Done That Backyard Mechanic Cob604's Avatar
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    Default Re: 3tc wont start please help

    Quote Originally Posted by jeffro ra28
    the culprit/s
    the main one was the vacum hose that goes to the rocker cover & also the on to the brake booster, as i had it running & took out the bolt & it stalled

    the dizzy also played a part as where it was, it was way out & i turned it there while it was runnind it idled like a dog.

    & also possible the fuel aswell


    the accel pump squirts fuel in the carby when i press it as i can see it, how do i check if it is spraying to much. i dont think there is a adjustment.

    another thing, when i get it to idle at 800rpm it shakes & sounds like it wants to die, any ideas. ive got to tune everything so im thinking that is the problem.

    so everytime i want to start it i have to spray aerostart in it, i dont think so. where does the thread on the side of the automatic choke go

    thx heaps
    Quote Originally Posted by roadkill
    When you get reaction like that it makes it all worthwhile.
    Bat mobil + 4age.. Engine painted, Fitting up now. Not long...
    Live life on the edge.

  3. #78
    ......... Carport Converter jeffro ra28's Avatar
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    Default Re: 3tc wont start please help

    On the 2t carby i rebuilt once there where two holes for the lever arm for the accel pump.
    Try swapping it to the other hole if there is one.

  4. #79
    Junior Member Backyard Mechanic {Mr Crabs}'s Avatar
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    Default Re: 3tc wont start please help

    Woo hooo this must be worty of some kind of party now it starts

    I think we should have a pub crawl and Cob's deso lol

    Case

  5. #80
    Junior Member Automotive Encyclopaedia
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    Default Re: 3tc wont start please help

    I would guess that it is not running on all cylenders, which is why it is idleing rough.

  6. #81
    ......... Carport Converter jeffro ra28's Avatar
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    Default Re: 3tc wont start please help

    does it sound like a WRX? maybe its running on 3

  7. #82
    Junior Member 1st year Apprentice
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    Default Re: 3tc wont start please help

    You say that you have now adjusted the tappets, you mentioned in one of your earlier comments that No. 2 exhaust valve clearance seemed excessive. Did you measure the height of that valve from the head to the top of the spring and compare it to the other exhaust valves when they were fully closed. If No. 2 valve is bent or sticking slightly open you would find that it will not sit up as high when it is closed and that would also make it idle on three cylinders because of the compression lost through the faulty/damaged valve.

  8. #83
    Junior Member Grease Monkey
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    Default Re: 3tc wont start please help

    it's working!!!! must have been all that voodoo dancing me and my neighbours did in my back yard oh and the lamb we sacraficed to the engine gods. Or just the fact you finally did what we all advised you too

  9. #84
    Been there.. Done That Backyard Mechanic Cob604's Avatar
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    Default Re: 3tc wont start please help

    yeah thx for the help guys

    as its possibly running on 3 1/2 cyls can i just get it to idle at 1000rpm so it wont shake or run rough.
    can i expect any problems if it runs on 3 1/2 cyls
    ill measure the valve height this weekend

    ive got to tune it all this weekend & get i driveable, then regod in a few weeks

    so hopefully in time for the next cruise

    just to make sure what is the red line on a stock 3tc engine

    thx heaps
    Quote Originally Posted by roadkill
    When you get reaction like that it makes it all worthwhile.
    Bat mobil + 4age.. Engine painted, Fitting up now. Not long...
    Live life on the edge.

  10. #85
    ......... Carport Converter jeffro ra28's Avatar
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    Default Re: 3tc wont start please help

    LOL, just so you know aye? Just so you know how hard you can rev its tits off before she blows you mean

  11. #86
    Junior Member Grease Monkey
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    Default Re: 3tc wont start please help

    don't go over 5500RPM. Yours though, on 3 cylinders I wouldn't even drive it till thats fixed or you can do even more damage. I don't know what shape the rest of the car is in but you'd want it to be pretty decent if ya don't want to be snikered at. I mean if it's a clapped shell running on 3 cylinders I don't know if the other participants will accept ya to open armedly. (yes I know armedly is not a word).

  12. #87
    Junior Member Too Much Toyota oldcorollas's Avatar
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    Default Re: 3tc wont start please help

    at 5500rpm, it should still do 120mph in 2nd
    "I'm a Teaspoon, not a mechanic"
    "There is hardly anything in the world that a man can not make a little worse and sell a little cheaper" - John Ruskin (1819 - 1900)

    AU$TRALIA... come and stay and PAY and PAY!!! The moral high horse of the world!

  13. #88
    Been there.. Done That Backyard Mechanic Cob604's Avatar
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    Default Re: 3tc wont start please help

    jeffro- yeah something like that lol

    Born-Enthusiast- yeah the rest of the car is in top shape as jeffro can vouch for
    it revs fine, just when it idles at 800 it shake a bit & sounds like it is missing on one cyl
    so ill set the idle to 1000rpm & tune it good

    i dont know which one is going to last longer the engine or the clutch lol (second hand clutch)

    believe me ill be babying it till it dies, then for the 1ggze oh yeah

    thx
    Quote Originally Posted by roadkill
    When you get reaction like that it makes it all worthwhile.
    Bat mobil + 4age.. Engine painted, Fitting up now. Not long...
    Live life on the edge.

  14. #89
    Been there.. Done That Backyard Mechanic Cob604's Avatar
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    Default Re: 3tc wont start please help

    oldcorrolas- if you say so ill give it a go, jokes lol

    thx
    Quote Originally Posted by roadkill
    When you get reaction like that it makes it all worthwhile.
    Bat mobil + 4age.. Engine painted, Fitting up now. Not long...
    Live life on the edge.

  15. #90
    Junior Member Too Much Toyota oldcorollas's Avatar
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    Default Re: 3tc wont start please help

    how abotu you find out why it is missing... and which cylinder is missing...

    rather than talk about redline,.. which you then go on to say you'll baby it...

    meh, you are full of shit sometimes (edit: or maybe you just change your mind very easily )
    just fix the engine, don7t kill yourself or your friends and stop thinking abotu wheelies
    "I'm a Teaspoon, not a mechanic"
    "There is hardly anything in the world that a man can not make a little worse and sell a little cheaper" - John Ruskin (1819 - 1900)

    AU$TRALIA... come and stay and PAY and PAY!!! The moral high horse of the world!

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