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Anyone using a Corvette tach drive generator

Discussion in 'The Hokey Ass Message Board' started by donut29, Jun 24, 2009.

  1. donut29
    Joined: Mar 6, 2006
    Posts: 1,518

    donut29
    Member
    from canton MI

    I have been thinking about using one on my nailhead. Has anyone got one on there car.

    What tach are you using.


    Got any pix



    thanks Tom
     
  2. PONY
    Joined: Nov 8, 2004
    Posts: 143

    PONY
    Member

    Do you mean tach drive Distributor??
     
  3. donut29
    Joined: Mar 6, 2006
    Posts: 1,518

    donut29
    Member
    from canton MI

    NO 58 Corvettes had a tach drive off the back of the generator
     
  4. bob3757
    Joined: Sep 26, 2008
    Posts: 167

    bob3757
    ALLIANCE MEMBER
    from Tigard, Or

    I had a 1957 Corvette, 283 horse fueler, in 1961 that had a tach driven off the generator. It caused me to hurt the engine, because I believed the tach, which I found out was about 1,000 rpm off ( slow ) at higher rpm's, because of belt slippage. Bob
     
  5. 32Rules
    Joined: Mar 17, 2007
    Posts: 202

    32Rules
    Member

    Fulie cars were tach driven. All 62 and newer cars were tach driven. There is a reduction bos on the back of the generator for generator tach drives. Never give it much thought, but anything other than original pulleys would probably change the reading. Was never a good idea, but lots of Corvettes have them, Unless you already have a Corvette Tach why spend the big bucks for a bad idea?
     
  6. Jax2A
    Joined: Apr 14, 2009
    Posts: 420

    Jax2A
    Member

    I've got Austin Healey generator/drive/tach that I'm planning on using. Not nearly far enough along to worry about the "how to do it part" yet though. At some point I'll figure out the stock AH crank to gen ratio and somehow duplicate that.
     
  7. Last edited: Jun 25, 2009
  8. 4-pot
    Joined: Aug 12, 2005
    Posts: 181

    4-pot
    Member

    I built a drive for the 56 chrysler generator I've got on my car. It reads about 300 rpm too fast so I need to find a .650 ratio adapter to replace the .800 I've got on it. The biggest problem I had was reversing direction but I found a right angle 1 to 1 adapter that reversed direction, I believe it came off an old bus.
     

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