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Hot Rods Educate me on points

Discussion in 'The Hokey Ass Message Board' started by dalesnyder, Mar 7, 2020.

  1. dalesnyder
    Joined: Feb 6, 2008
    Posts: 648

    dalesnyder
    Member

    I have very little experience with gm points. So bear with me.
    I picked up an early 70s Chevrolet 350 distributor that I want to use. I cleaned it it up and put in lighter springs, checked the vacuum advance and got a new set of points at rock auto.
    Will any set of points that have the Allen screw adjustment screw fit?
    The points that have the condenser built in, I think their uni points? Are they ok to use?
    I don't have any resistor wire, what ballast resistor and coil should I use?
    I have seen some where the resistor is mount to the coil bracket, what is a donor for these?
    Thanks all.
     
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  2. Jokester
    Joined: Jan 29, 2005
    Posts: 807

    Jokester
    Member

    The points with the condenser built in first appeared in 1974 and will retro fit to any of the externally adjustable points back to 1957 if I remember correctly. In 1975 GM switched to the HEI. The points will operate almost any coil. Use the resistor that is specific to your vehicle.
    .bjb
     
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  3. Budget36
    Joined: Nov 29, 2014
    Posts: 15,373

    Budget36
    Member

    You could look up "ballast resistor and coil for 1971 Impala" and should be fine for your application.
     
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  4. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,356

    Hnstray
    Member
    from Quincy, IL

    @dalesnyder ........did you have a specific reason for “putting in lighter springs”? If you are talking about the springs for the centrifugal advance (only springs I can think of) , that changes the advance ‘curve’,meaning the rate and rpm at which the distributor advances the timing.

    Depending on engine equipment or modifications, that could be a good thing...on the other hand it may not be.......”it depends”. A little more info about engine and power train...and use you intend to put it to will help clarify the need for that change.

    Ray
     
    loudbang and lothiandon1940 like this.

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