Quote:
Originally Posted by fixit-p
Drive line and pinion angles are not the same, dropping does improve driveline angle but a 5" drop w/o a 2" lowering block changes the pinion angle ~5.6* and a 3" drop with a 2" lowering block (5" total drop) changes the pinion angle ~ 3.3*. Assuming the pinion angle was perfect before the drop both of the above changes puts it out of spec (IMO). While it is apart would be a good time to at least verify your angles a cheapo angle finder would work for this.
All angles were calculated on cad layout with real word dimensions.
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Are you accounting for rear axle housing rotation as the suspension travels, based on it's instant center location? Or just translating the axle up/down the desired amount?
Not throwing stones; a sincere question in the hopes of gaining understanding...
btw -I used to do this with masking tape lines spread out on the garage floor. Your way is better
K