Thread: Adjusting pinion angle w/4 bar rear end

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If you're running the bars parallel just bebopping down the road, Parallel is fine for suspension travel. If this thing is going to launched and you want the tires to plant well, you need to adjust the uppers in relation to lowers to create an instant center more condusive to the center of gravity of the car. Like I said thogh, if it's just for cruising around, run them where you have them. Go back on this thread and look at the diagram posted earlier. It gives you a better understanding of where you should set them as far as angles go for your suspension set up. If it were mine I would stick with 2-3 tranny down and 2-3 pinion down.