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Thread: Under drive pulleys

  1. #1
    Join Date
    May 2007
    Location
    Phx ,AZ
    Posts
    218
    I want know if any you guy are running 1000 amp car system? I want install under drive pulleys, but afraid that the under drive pulleys would slow my alternator down to much. When running my system and the e-lite fans it already puts a good draw on my electrical systems.
    Truck 2002 Chevy with
    old setup KB turbo kit MP70 LS1
    New setup stock for now

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    you can always get a bigger alternator. There are many dealers on Ebay with 200-300 amp alternators for the GM vehicles. I'm waiting on my pulley and I'll let you know how it goes. You get an underdrive pulley for the crank and an overdrive pulley for the alternator if you get the full set.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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