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Old 05-12-2011, 09:35 AM
  #4  
TopspeedLowet
Senior Member
DYNO OPERATOR
 
Join Date: Apr 2008
Posts: 504
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Here we go, First to change just the pinion angle you would adjust both top adjusters in the same direction together to change pinion angle. To pre load you would just change one of the pop adjusters, it does not matter which top one you use as long as you are lifting the passenger bar to get positive preload. We usually set pinion angle and preload by placing the car neutral, meaning no pre load condition where you can remove the front bolt on the passenger side by hand or with little effort with the car at race weight with driver in driving position. then you remove the bolt on the passenger side and adjust the ladder bar end up about 1/2" for some positive preload, then jack the car up to align the bolt back in the hole. Now you have not changed the pinion angle very much at all from neutral but have positive preload. Does that help you out Art
Bruce
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