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Automatic Transmission - 2 Speed

1st Gear: 1.76/1.82
2nd Gear: 1.00

- Used in production GM models from 1962 thru 1972.
- 14 Bolt Pan.
- Vac...
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Re: anti-squat with an IRS

Subject: Re: anti-squat with an IRS
by mseven on 2009/3/1 13:36:19

Quote:

Now the dog bones, you could put the car on jack stands and remove them entirely, put the car in gear and punch it, and the knuckles wouldn't rotate at all. The only torque transmitted to them would be the bearing and brake drag, and the slight twisting of the lower camber rods with their glorious binding bushings.

I agree with the c. beam and upper bat wing mounts controlling to a point the pinion climbing (I think the motor mounts are also a factor). Basically because it is the only attachment point to the diff. and the half shafts would be independent of that reaction. Unlike a solid because the diff.is connected/part of the axle tube assembly and can be controlled through a variety of methods (pinion snub, 4 bar etc.).

At what point then under load do the "dog bones" come into play ? height changes through acceleration/squat etc.? Or, the force being applied under torque (example, presuming the tire actually is getting bite)? or a combination of both ?

*the tech drawing provided a few posts above appears to show the overall wheel base at 96. is that correct? *
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