84 300sd rear subframe bushings. Things were going smooth and then on the second one the main big bolt would not go in.
It seems apparant that the hole is going to need to be retapped.
One problem is that the car is sitting half in and half out of the garage.
Is it OK to take the car off of the jack stands and move it foreward or back with only one of the bolts in while I sort this problem out?
Also any thoughts on how to deal with the bolt problem?

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84 300SD 274K
38K miles on flatplate heat exchanger and various diesel/veg blends. prior to that 4K miles on unheated veggie blends with kero and DinoD.