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  1. chip77

    Speedmaster 190 Data

    this is going in my little Valiant. Car weighs 2550# so should be a whole lot of fun...
  2. chip77

    Speedmaster 190 Data

    Dyno’d with an 850 Holley and will go with an 950
  3. chip77

    Speedmaster 190 Data

    While i paid a bit more for the set I got from Speedmaster (non-Black Friday), I have been very impressed with them thus far. I dyno'd my 408 build and it made 640/613...
  4. chip77

    35% off SpeedMaster

    I too just purchased a set of the CNC'd heads for my drag car. The price was too good to pass up. Got a 'stock' 360 that runs 11.20's so should be interesting to see what they do. I'll let you all know...in the spring!
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