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  1. RLF Cuda

    how strong is the 8 3/4 #741 case?

    This article from Speedway Motors on U-Joints give useful information about that weak link in the drivetrain. U-Joint Identification | Types of U-Joints Explained (speedwaymotors.com)
  2. RLF Cuda

    how strong is the 8 3/4 #741 case?

    I ran my '68 'Cuda FB FS at the strip well over 350 times (at one point I had all the timing slips) and turned 13.50's @ 105. All on the original 8 3/4 with 3.55's. With 220,000 miles on it now, all is fine. Just change oil regularly and keep the u-joints lubed and tight.
  3. RLF Cuda

    The man wants MORE caster. How about this idea?

    Photo was taken during mockup. Alignment not done yet. I am using the Moog offset bushings and got about 5° caster previously. Hoping to get that again.
  4. RLF Cuda

    The man wants MORE caster. How about this idea?

    This brings up a question that I have about the 73+ spindles. On my '68 FS FB, I installed 73+ UCA and spindles. Naturally they are wider. But I had sway bar and tire clearance issues with the calipers mounted forward as is stock, so I swapped side to side so the calipers were towards the...
  5. RLF Cuda

    US Car Tool Torque Boxes and Sub Frame Connectors Install

    Wish I had this done when my car was at The Instillation Center. After it was painted, we discovered that what I thought was the original core support was actually rewelded in 3/8" further rearward. This took up needed space between the fan and the radiator making it necessary to go to a dual...
  6. RLF Cuda

    US Car Tool Torque Boxes and Sub Frame Connectors Install

    Previous people have provided a wealth of information already, so here are a few shots of my '68 FS FB frame rails with fuel lines installed. I ordered Fine Lines, but the frame rails were in the way. Dave at Cars Remember When (Littleton, CO) modified the lines and cut access holes in the...
  7. RLF Cuda

    Hope this is not true. Moog Offset Upper control arm bushings.

    I have had off-set bushings on my '68 Cuda since 1972 when I went to BFG's. The bias ply tires ran well with stock caster, but the BFG's wondered at the low caster setting. My alignment shop said that the radial tires had less dynamic caster than bias ply tires and therefore needed more static...
  8. RLF Cuda

    Hope this is not true. Moog Offset Upper control arm bushings.

    Unfortunately, Moog and others don't treat classic cars as a viable customer base anymore. So many cranks and rods are made in China now. I would trust Taiwan over Chinese nowadays.
  9. RLF Cuda

    Hope this is not true. Moog Offset Upper control arm bushings.

    RustyRatRod has this to say in June, 2020: Real simple. Install the front bushing so it makes the front side of the arm longer. Install the rear bushing so it makes the rear side of the arm shorter. I get the center line of the bushing hole and ball joint on the same plane when I decide "where"...
  10. RLF Cuda

    Hope this is not true. Moog Offset Upper control arm bushings.

    AFAIK, you have to install the forward bushing with the offset to the outside and the rear bushing with the offset to the inside. This will allow the ball joint to move towards the rear. This will allow more caster adjustment. If both are offset to the outside, this will impact camber, not...
  11. RLF Cuda

    Hope this is not true. Moog Offset Upper control arm bushings.

    I have run the Moog offset bushings since I put BFG's on my car in about '73. The alignment shop I used know that radials have no dynamic caster like bias ply tires so they need more static caster (in the suspension) to track properly. Done correctly, the alignment should allow the car to stay...
  12. RLF Cuda

    differences in front suspension

    From what I remember, the 73 k-frame has the sway bar through the k-frame, not hanging from the front. This arrangement is better as the lever arm is shorter. If you are converting to a V8, the motor mounts for the '73 are more suited to your needs than the /6 k-frame, but adaptor motor mounts...
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