tdc

  1. 20201213_182027.jpg

    20201213_182027.jpg

    Setting ignition timing from 20 degrees to 30 degrees btdc
  2. ZR9B

    HS 40 timing set point

    After a quick google I see .35 before TDC and .65 before TDC this is from a 1972 Rupp HS 40. both numbers are posted on this site in one place or another. thanks for the help
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