Diving into a 302 swap project 1970 Grabber

Discussion in 'Maverick/Comet Projects' started by Run Free1_70, Jun 5, 2015.

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  1. Run Free1_70

    Run Free1_70 Member

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    Recently made a crappy video of the mav running, uploaded to youtube.
    Maybe someone can diagnose the problems I am having, mostly backfires under load.
     
    Run Free1_70, Dec 14, 2015
    #76
  2. 70GreenMonster

    70GreenMonster Member

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    Is you distributor adjusted all the way to one side to get it to idle like that? or is the dizzy adjusted kind of in the middle of the range?
    I ask because I have put a dizzy in one tooth off and had to adjust it all the way to one side to get it to run before I figured out what I did wrong in a 1978 400M
     
    70GreenMonster, Dec 15, 2015
    #77
  3. groberts101

    groberts101 Member

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    yeah, what he said above^. Could be ignition timing related.

    hate to say it.. but I'd be checking cylinder pressure on any motor of mine that sounded like that.
     
    groberts101, Dec 15, 2015
    #78
  4. Krazy Comet

    Krazy Comet Tom

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    As mentioned, backfire under load is almost always a late timing issue(assuming no component failure)...

    What firing order does that cam use???
     
    Krazy Comet, Dec 15, 2015
    #79
  5. Run Free1_70

    Run Free1_70 Member

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    Thanks all, I think it is only a tooth back...will restab when there is another nice day 40f+
     
    Run Free1_70, Dec 18, 2015
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  6. Run Free1_70

    Run Free1_70 Member

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    The 306 ran today, definitely was 1 tooth off.
     
    Last edited: Feb 13, 2016
    Run Free1_70, Feb 11, 2016
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  7. 70GreenMonster

    70GreenMonster Member

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    My70 had 8" 4 lug.
    I have that rear end for sale now. Asking $200 o.b.o. IMG_20160120_162829.jpg IMG_20160120_162847.jpg IMG_20160120_162908.jpg
     
    70GreenMonster, Feb 12, 2016
    #82
  8. Run Free1_70

    Run Free1_70 Member

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    20160221_144050.jpg I played hell trying to find an original maverick grille emblem, so I got inventive.
     
    Run Free1_70, Feb 21, 2016
    #83
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  9. Crazy Larry

    Crazy Larry Member

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    Crazy Larry, Feb 21, 2016
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  10. 70GreenMonster

    70GreenMonster Member

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    I've got it listed as OBO, it's just a starting point for negotiations...
    I'll let it go to any member of this forum for $100
    I really just want it gone.
     
    70GreenMonster, Feb 22, 2016
    #85
  11. Acornridgeman

    Acornridgeman MCCI Wisconsin State Rep Moderator Supporting Member

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    It is always best when trying to sell something here, to list it in the "for sale" forum. More people will see it.
     
    Acornridgeman, Feb 22, 2016
    #86
  12. 70GreenMonster

    70GreenMonster Member

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    I'm not trying to sell it here. I'm trying to sell it on craigs list.
    I just mentioned it here because it was in context of the conversation.
    If I try to sell stuff on this forum, people usually need it shipped somewhere.
    I only deal locally.
     
    70GreenMonster, Feb 22, 2016
    #87
  13. Run Free1_70

    Run Free1_70 Member

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    So, I went ahead with the taurus fan swap, as suggested and supported by mavdog.

    Here is a slideshow of the swap
     
    Run Free1_70, Apr 30, 2016
    #88
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  14. Run Free1_70

    Run Free1_70 Member

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    Here are some pics of the taurus fan, and mustang 130amp alternator setup
    20160409_143434.jpg 20160409_143444.jpg 20160409_143506.jpg 20160409_143544(0).jpg 20160409_143552.jpg 20160409_143606.jpg
    Don't mind the the tree crappings on the paint, clayed that damage off later.
     
    Run Free1_70, May 13, 2016
    #89
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  15. 70GreenMonster

    70GreenMonster Member

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    That fan looks really good. What years of Taurus has that style of fan?
    Are Mercury Sables the same?
     
    70GreenMonster, May 13, 2016
    #90
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