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Username Post: Ruth's "Daily Driver" BB El Camino        (Topic#333982)
BBLemond 
Forum Newbie
Posts: 49

Reg: 03-15-16
04-06-17 02:00 PM - Post#2685283    
    In response to BBLemond

I made sure to make all the new Chassisworks suspension arms the same length as the stock arms but I still thought it would be a good idea to make sure the rearend was centered. To get it right I jacked the El Camino up and put it on jackstands making sure it was level.


I also put the rearend under stands at ride height. I disconnected the Chassisworks Varishock coilovers and then just got it to the right height.




With everything in place I used a plum bob to make marks on the garage floor so I could take the measurements. For the center point in the front I used a bolt and threaded hole that was in the frame in the exact same spot on both sides. I just let the plumb bob drop and rest and then marked the point on both sides. I let the string run down the rear of the bolt on both sides so I wouldnt be off by the width of the bolt






I used tape so I wouldn’t mess up the floor and then for actual spot I just pressed the plumb bob down into the tape making a hole in the tape


Once I had the two sides done I took the tape measure and just split the middle and that was my center spot




 
BBLemond 
Forum Newbie
Posts: 49

Reg: 03-15-16
04-08-17 01:25 PM - Post#2685628    
    In response to BBLemond

I needed a spot on each side of the rearend to measure from so I took the plumb bob and strung it around the axle flange. I figured that it wouldnt matter how the rearend was rotated since it should be perfectly round there.


I measured the distance from each side of the rearend to the center point and adjusted the rearend position accordingly. The first adjustment I made was to get the lower arms the same length. Im not quite sure how I got that wrong but I guess thats why I went through this alignment process


Adjusting the rearend side to side with the upper arms attached was impossible so I removed both uppers and got it centered. Then I set my pinion angle with a floor jack and reattached the upper arms. I made sure the bolts slid into the rearend bushings easily so they wouldnt cause the rearend to get misaligned. Having the upper arms off for this part made it go much faster but once its all assembled having the Chassisworks double adjustable arms will make it much easier to adjust the pinion angle in the car if I need to make small adjustments. I will just have to adjust each arm a little bit at a time and go back and forth so they are adjusted the same amount


For the pinion angle I set the rearend almost exactly the same but opposite as the transmission. If I had leaf springs I would have set it a degree or two down but I don’t think the pinion should change much or at all under acceleration with this suspension configuration.






 
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