Months ago I had the rearend replaced with a used stock rearend. The rearend has relocation brackets welded to it. It also looks like the previous owner used the 2nd (middle) hole on the bracket. However, the shop just kept it in stock location for my car (which is lowered and has GMS lca's).

I want to use the brackets so I attempted to do the relocating. I couldn't pull the lca's toward the bottom RB hole, let alone, the middle hole. Could it be that the RB is positioned too far away because the bottom hole is further back toward the rear of the car in comparison to the top holes. Or should I try to pull the axle more forward toward the lca? If that is possible how can I torque it forward? I don't think it's possible. Maybe I'm just screwed. Please let me know if I can pull the axle closer somehow.

 

If the LCA's aren't attached, the rear should just move forward a bit. Is it on the ground? Emergency brake on? You should have about an inch of slack in the driveshaft that would allow this play. Of course you still need to have some slack in the DS when you bolt the LCA's back in, so it might be best to remove it, move the rear forward, then re-install the DS to verify you have enough (say 3/4" or so) of slack. If you don't have enough slack, my guess is that the LCA brackets were welded at the wrong angle, making the lower holes in the wrong place. Adjustable LCA's would solve that, to some extent (dependent on the length of the DS again).

Dave

 

Dave,

I had the rear up in the air, E brake on, LCA's disconnected from the rearend side. I was able to move the rear forward an inch or so, but it didn't match up hole for hole with the LCA. I've only been able to look at pictures of these on cars, not in person. But my relocation brackets were welded with the bottom holes angled towards the rear. I hope this isn't the "end all". I don't want to have them unwelded as I don't know what that will cost, but I do get serious wheelhop on launches.

 

The correct position would allow you to swing the LCA down without moving the axle at all. So it unfortunately sounds like yours are way off. If you moved the axle forward an inch, the DS is bottoming out in the tranny, that's why it won't go any further. You couldn't drive the car like that, even if the LCA's did go in.

Sorry, I'm not sure what other answer you have... I'd get them re-done.

Dave

 

Thanks anyways, I'll call the shop tomorrow and check on their price.