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HEMI Tech- Ignition

Discussion in 'The Hokey Ass Message Board' started by scootermcrad, Jul 5, 2006.

  1. George
    Joined: Jan 1, 2005
    Posts: 7,287

    George
    Member

    '54 shop manual says every 10K.
     
  2. scootermcrad
    Joined: Sep 20, 2005
    Posts: 12,340

    scootermcrad
    ALLIANCE MEMBER

    Thanks George!

    Do the later LA type distributors need this fitting or do they have oil impregnated bearings? Also, what type of oil/grease?
     
  3. George
    Joined: Jan 1, 2005
    Posts: 7,287

    George
    Member

    light engine oil. I think the LAs don't have provision for lubing.
     
  4. scootermcrad
    Joined: Sep 20, 2005
    Posts: 12,340

    scootermcrad
    ALLIANCE MEMBER

    Okay! Thanks George!
     
  5. George
    Joined: Jan 1, 2005
    Posts: 7,287

    George
    Member

  6. Demon Seed
    Joined: Feb 2, 2009
    Posts: 106

    Demon Seed
    Member
    from BF-AZ

    Hotheads sells a longer intermediate shaft that allows any LA (273/318/340/360) Mopar distributor to just bolt on to any 331/354 with no mods. They have the same thing for DeSoto and Dodge hemis as well. I believe its about $30.
     
  7. aircoup
    Joined: Aug 13, 2009
    Posts: 898

    aircoup

    hemi rambler has apoint i got real lucky and was given a nos holley complete it works great so far
     
  8. BashingTin
    Joined: Feb 15, 2010
    Posts: 270

    BashingTin
    Member

  9. scootermcrad
    Joined: Sep 20, 2005
    Posts: 12,340

    scootermcrad
    ALLIANCE MEMBER

  10. An HEI???!!! Yuck!!!!
     
  11. mr slingshot
    Joined: May 31, 2010
    Posts: 35

    mr slingshot
    Member
    from Belgium

    I have a question i can buy a 5.7 hemi twin spark building year 2005,is it possible to build the engine without the computer and a normal intake?
     
  12. 73RR
    Joined: Jan 29, 2007
    Posts: 6,402

    73RR
    Member

    Intakes are available, not too sure what is being used for ignition.
    You might ask on this forum, or maybe over here.

    The 5.7 is a very powerful engine.

    .
     
  13. mr slingshot
    Joined: May 31, 2010
    Posts: 35

    mr slingshot
    Member
    from Belgium

    i found a site and they sell chip killers,anyone no what it is and will it work?
     
  14. TR Waters
    Joined: Nov 18, 2006
    Posts: 1,439

    TR Waters
    Member
    from Vermont
    1. Early Hemi Tech

    MSD 6 controller is what you would want for the 5.7
     
  15. mr slingshot
    Joined: May 31, 2010
    Posts: 35

    mr slingshot
    Member
    from Belgium

    So with the MSD 6 controller you can ride without the computer?
     
  16. TR Waters
    Joined: Nov 18, 2006
    Posts: 1,439

    TR Waters
    Member
    from Vermont
    1. Early Hemi Tech

    It takes the place of the oem computer.
     
  17. TR Waters
    Joined: Nov 18, 2006
    Posts: 1,439

    TR Waters
    Member
    from Vermont
    1. Early Hemi Tech

    Back to early hemis. I have been working on this for a bit, and finally have this one done for show and tell.
    This is a Pertronix Flame Thrower II plug and play electronic distributor with vacuum advance.. No fancy ignition box needed. Just hook up the two wires.
    This distributor pictured now fits any early hemi. From a 241 to a 392. I machined the housing and made an adjustable mounting collar. The collar is double O-ringed inside to prevent oil seepage, as well as a single O-ring where it goes into the block. Three set screws secure the collar.
    No more special intermediate shafts or splicing distributor shafts. You can now get perfect distributor/intermediate shaft engagement.
    Stop in at Carlisle and take a look. ;)
     

    Attached Files:

  18. BashingTin
    Joined: Feb 15, 2010
    Posts: 270

    BashingTin
    Member

    Holy Cow! Now that is clever... I likey. :)
     
  19. jsrail
    Joined: Sep 21, 2007
    Posts: 112

    jsrail
    Member

    Now you have these! I have a Flamethrower III billet distributor for our Dodge 315 Poly I bought months ago with an intermediate shaft from Hot Heads with the matching coil. Well, I'll look you guys up when I build our 331 Hemi. Would be nice to have a one-piece distributor!
     
  20. shtterbug8
    Joined: Jul 31, 2011
    Posts: 514

    shtterbug8
    Member


    how about the 426 hemi plug well boot install? how does that work on are early hemis?
     
  21. GMC BUBBA
    Joined: Jun 15, 2006
    Posts: 3,384

    GMC BUBBA
    Member

    Scott ,

    Great thread for sure !

    Just a note about the HEI Vertex mag look alike units as i have fixed quite a few of these units in the last few months.

    The problem come from the fact that they use a very low resistance ignition coil ( = high current draw) and it sits very close to the pertronixs control unit. The magnetic interferance causes a problem especially if the engine is requiring any high energy at the plugs at all . Like a large plug gap ( a no-no) , air leak or high rpm etc. The large magnetic fields coming from the ignition coil makes the pertronixs skip and cycle or two creating a missfire.

    The fix is to convert the unit into a remote coil system ( vertex actually makes a remote coil magneto) and simply rewire the unit to take the coil out of the system. Vertex/Taylor actually sell a nut and bolt to convert the cap into the remote system. Just remove ( cut off) the coil lead inside the cap, drill a hole and add the terminal , then use a long coil wire placing the coil where ever you wish. Run the two module wires to the coil and go from there .
    I wouldnt suggest taking the unit apart as the upper cam assembly must be indexed for proper rotor phasing and would be a problem to realign without a distributor machine. Also the lower end and advance unit is very fragile and some knowledge is needed to take apart without a problem as well...

    The next one we convert i will post some pics for this thread etc...
     
  22. I SMELL SMOKE
    Joined: Mar 6, 2008
    Posts: 1,527

    I SMELL SMOKE
    Member

    What size is the distributor hold down bolt and thread size?
     
  23. Inland empire hot rods
    Joined: Aug 5, 2010
    Posts: 829

    Inland empire hot rods
    Member
    from so cal

    Hey GMC Bubba,

    Could that look alike mag be used to trigger an MSD box with a remote coil?

     
  24. GMC BUBBA
    Joined: Jun 15, 2006
    Posts: 3,384

    GMC BUBBA
    Member

    Sure, also we remove the coils from a real mag when defective ( expensive to fix) and usevthe new cdi box as well with remote coil.
     
  25. Inland empire hot rods
    Joined: Aug 5, 2010
    Posts: 829

    Inland empire hot rods
    Member
    from so cal

    Thanks! Ill give you a shout tommorow
     
  26. 94blackta
    Joined: Feb 4, 2008
    Posts: 50

    94blackta
    Member

    Ok fellas I have looked over well Hemi Ignition threads and have yet to find anything on the Distributor that I have removed from my 354 truck motor. Interchangeability? Any info? Thanks for your time!
     
  27. 94blackta
    Joined: Feb 4, 2008
    Posts: 50

    94blackta
    Member

    354 truck motor
     

    Attached Files:

  28. Not sure about interchange information. I went the easy (but expensive) route and bought a ready-to-run MSD distributor from hotheads for my 354.

    If you go that route, make sure to change the springs...out of the box, the timing advance isn't right.
     
  29. 94blackta
    Joined: Feb 4, 2008
    Posts: 50

    94blackta
    Member

    I already bought a joe hunt magneto, But I am sweating because I did not do enough Homework on this type of block before i went on a spending spree, now finding out I have to rework my game plan :/
     
  30. 73RR
    Joined: Jan 29, 2007
    Posts: 6,402

    73RR
    Member

    Yes, the truck piece is unique. Yes, you will need a new intermediate shaft.

    All 301-331-354, including trucks, marine and industrial, have the same dimensions on the top of the block and use the same distributor shaft length so all are interchangeable as far as being a 'drop-in'.
    The A-LA distributor shaft is ¼" shorter and requires 'something'...usually a taller intermediate shaft but the dizzy shaft can be stretched.

    .
     

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