does anyone ever measure where there RR is from the RF, like how far under its is and where the LR is from the LF ? few years ago the basic set up was rr in from the RF about 1.5 to 2.5 inches and the LR about 1inch inboard of the LF...but seen some cars lately and a set up book with the left rear tire s lined up and the RR inboard of the RF 3 to 4 inches.... trying to get somme ideas ,messing arund with a car i built
Post by emptiness777 on Nov 20, 2017 10:45:46 GMT -6
RFs are being moved out further to reduce weight transfer between the two front tires, putting more weight into the RR, and move the RR inboard to well, load that tire more. The RR inboard more now has a few purposes. First it helps give side bite sooner by placing that corner closer to the center of gravity. Second it brings it closer to or inside the body line to help the panels catch air better when it’s moving on a slight angle along the car as it isn’t disrupted by the tire anymore. Third is that it actually helps tighten up the handling of the car in conjunction with the wider front by changing how the driving force of the car acts in relation to the way the four tires are pointed. Also keeping the RR inboard and brakes inside the rim more helps keep heat in that tire, which helps gain both side bite and forward bite.
Hey. Just a quick note to the thread. When the track is wet, the RR should lead the RF. Be moved out. When it drys out pull the RR in. When it rubbers out move the RR in and push out the LR wheel. When it dry slick... You can move the RF out, tuck the RR and push out the LR wheel. Wet take wedge out, dry rubbered and dry slick put wedge in. Every car is different, some will handle with no wedge change at all. Dont have a 'Ronco car, set it and forget it, maybe the track will come to you.
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