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Thread: got a mk1 supra need help.

  1. #1
    Junior Member
    Join Date
    Aug 2012
    Location
    st. louis mo
    Posts
    19

    got a mk1 supra need help.

    hello i got this 79 supra a week ago not running . the guy i got it from had the head redone 2 years ago drove around the block and parked it for 2 weeks and when he want to start it again it wouldn't start.

    well after alot of work i got it running but it has a problem, it wont rev past 2200 rpm, almost like it hits a rev limiter. and it runs a little ruff . i think its a timing issue . but any help would be great.



    i got some pictures of every thing,

    this is of the cam and the pointer is lined up with the dowel like it should to be.




    rotor pointing at #1 exactly



    i have the distributor almost to the stop to get to 12*



    here is the timing mark, its a little off, is that a acceptable amount?



    here is a poor video , you can hear it backfire once,its never done that before.

    http://s134.photobucket.com/albums/q...rent=supra.mp4

    new parts,
    engine rebuilt 60,xxx miles ago
    head rebuilt less then 10 miles ago
    new fuel pump
    new fuel filter
    most fuel lines replaced
    new plugs, wires, cap, and rotor
    new coil
    injectors rebuilt before i got it.

    any help would be great. thanks

  2. #2
    Junior Member
    Join Date
    Aug 2012
    Location
    st. louis mo
    Posts
    19

    Re: got a mk1 supra need help.

    i changed the igniter to my spare one and now it revs to 3100-3200. this thing is driving me nuts.

  3. #3
    Senior Member
    Join Date
    May 2008
    Location
    Oklahoma City
    Posts
    762

    Re: got a mk1 supra need help.

    I am thinking that your crank and your distributor are off a tad. I would look at resetting the timing between the crank and the cam and also the distributor all at the same time. Not a hard fix, but a bit time consuming. I have been fighting this sort of thing with my wife's camry. I redid all the front seals and replaced the timing belt. Took me two days to get the crank and the cams lined back up.

  4. #4
    Junior Member
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    Aug 2012
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    st. louis mo
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    19

    Re: got a mk1 supra need help.

    Quote Originally Posted by OkieRA29
    I am thinking that your crank and your distributor are off a tad. I would look at resetting the timing between the crank and the cam and also the distributor all at the same time. Not a hard fix, but a bit time consuming. I have been fighting this sort of thing with my wife's camry. I redid all the front seals and replaced the timing belt. Took me two days to get the crank and the cams lined back up.
    i have played with it all day and it just made it worse. it must be a electrical or fuel issue become as soon as i switched to my spare igniter it went from 2200 rpm max to 3200 rpm max.

  5. #5
    Senior Member
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    May 2008
    Location
    Oklahoma City
    Posts
    762

    Re: got a mk1 supra need help.

    Either a bad FPR or maybe some junk in the tank/lines restricting fuel flow?

  6. #6
    Junior Member
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    Aug 2012
    Location
    st. louis mo
    Posts
    19

    Re: got a mk1 supra need help.

    Quote Originally Posted by OkieRA29
    Either a bad FPR or maybe some junk in the tank/lines restricting fuel flow?
    thats one thing i haven't done is check fuel pressure, i don't have a gauge. i will switch out the fpr with a spare and see if that make a difference. thanks.

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