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    Thread: Heidts IRS

    1. #1
      Join Date
      May 2019
      Location
      Northern Virginia
      Posts
      10
      Country Flag: United States

      Heidts IRS

      Considering a Heidts IRS for my 1969 Camaro but wanted to check to see how much power others were able to make to the tire without blowing the half shafts to pieces? I'd like to make in the neighborhood of 800-1000 rwhp with it. Is anyone else running a Heidts IRS with similar power? Does it hold up out of the box or did you need to do anything to beef it up a bit, etc?

      Thanks in advance.
      1969 Chevelle SS 396 & 2011 Chevrolet Corvette

    2. #2
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      15,971
      Country Flag: United States
      Quote Originally Posted by NCC-1701 View Post
      Considering a Heidts IRS for my 1969 Camaro but wanted to check to see how much power others were able to make to the tire without blowing the half shafts to pieces? I'd like to make in the neighborhood of 800-1000 rwhp with it. Is anyone else running a Heidts IRS with similar power? Does it hold up out of the box or did you need to do anything to beef it up a bit, etc?

      Thanks in advance.
      I don't have first hand experience with the Heidts IRS, but just looking at the design, I don't think it will hold up to that much power. The Art Morrison design uses a more advanced multi-link design and the S60 differential. I think it is a better candidate for that much power.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @projectgattago
      Dr. EFI
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    3. #3
      Join Date
      Nov 2006
      Location
      Mountain Springs, Texas
      Posts
      4,488
      Country Flag: United States
      Quote Originally Posted by andrewb70 View Post
      I don't have first hand experience with the Heidts IRS, but just looking at the design, I don't think it will hold up to that much power. The Art Morrison design uses a more advanced multi-link design and the S60 differential. I think it is a better candidate for that much power.

      Andrew
      X2...

      Don
      1969 Camaro - LSA 6L90E AME sub/IRS
      1957 Buick Estate Wagon
      1959 El Camino - Ironworks frame
      1956 Cameo - full C5 suspension/drivetrain
      1959 Apache Fleetside

    4. #4
      Join Date
      May 2019
      Location
      Northern Virginia
      Posts
      10
      Country Flag: United States
      Quote Originally Posted by dhutton View Post
      X2...

      Don
      Thank you both.

      1969 Chevelle SS 396 & 2011 Chevrolet Corvette

    5. #5
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      15,971
      Country Flag: United States
      Quote Originally Posted by NCC-1701 View Post
      Thank you both.
      Do some searching. I think there are a couple of builds here that use the AM IRS.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @projectgattago
      Dr. EFI
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her





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