9" Coan Convertor

Discussion in 'Parts for sale' started by bill dedrick, Dec 14, 2017.

  1. bill dedrick

    bill dedrick Well-Known Member

    9" Coan - R021444 Max Performance - approx 3800-4000 rpm stall.. Was used behind my 72 GS 464 ci EC $400
    4.30 Ring and Pinion-- EC was also used in the above car (12 bolt) ---$100
    bdedrick@wideopenwest.com
     
  2. BuickGSrules

    BuickGSrules Gold Level Contributor

    Did y0u street drive it and how was it?
     
  3. bill dedrick

    bill dedrick Well-Known Member

    Yes I did.. My first impression was that it felt very loose on the street in normal street driving and a much different feel than I was accustomed to with my 70 GS with an ATI 10" 3500rpm stall. I eventually removed the Coan and installed an ATI 3500 in my 72 GS.
     
  4. BuickGSrules

    BuickGSrules Gold Level Contributor

    Thanks, I will pass then
     

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