So I've bee studying the chassis book by Dave,As far as ladder bars go,When you make adjustment in the front pivot which is your c/l on ladder bars you use the two rear adjusters on the axle side to reset pinion angle????? am I correct on this???? also he talks of pre-load and I'm understanding if you can you run without it but if you need it (on the drivers side) you also lower the front eyelet by the rear axle adjusters but if you do that how do you set pinion angle then,That's the only thing I'm getting screwed up on otherwise I'm starting to understand this book more and more but it takes a lot of patience and reread reread reread at least for me--Thanks guy's-Steve
Ladder Bar question
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bOb shingler
Well-Known Member
yes that is correct about resetting pinion angle(same turns on each side). always set the ladder bars up in the neutral position first, another words every thing exactly the same. preload is only added after a few test hits. for instance, if the hotrod goes right add 1 flat of preload to the passenger side(paint one flat on each adjuster white). visa versa if it goes left. all other adjustments are made with the shocks except how hard you want the bars to hit the tire.
Rob Eppler
My Dart Charger...home made!
yes, paint the flats! also, take note of which direction adds pre load. Note this in a notebook or somewhere...guarantee you will want to know this as you begin to adjust the link. I also paint a line all the way [parallel] just for reference. Nothing more confusing than making an adjustment looking up on your back at the suspension...or letting go of the trans brake and the car moves real hard...the wrong way...been there...underwear change!
Been monitoring this out of curiosity. Built some drag cars or parts of them, but never tuned one.
It's a very good idea with any race car to have a log book. At the vintage road racing shop that I worked at we used one of the "5 topic" spiral-bound binders. One topic was dedicated to notes from days at the track (suspension settings, engine tune, etc., etc., etc.). Another was concepts or forward thinking and such. Another was for sketches of what we were about to make or do with/for the car. Can't recall how, but we managed to use every topic and wish for more dividers. We used spiral bound specifically so that pages could not be removed and lost. We considered the binder to be an integral part of the car. The only place that it did not go with the car was out on the track. It lived in the car the rest of the time and went with it when sold.
It's a very good idea with any race car to have a log book. At the vintage road racing shop that I worked at we used one of the "5 topic" spiral-bound binders. One topic was dedicated to notes from days at the track (suspension settings, engine tune, etc., etc., etc.). Another was concepts or forward thinking and such. Another was for sketches of what we were about to make or do with/for the car. Can't recall how, but we managed to use every topic and wish for more dividers. We used spiral bound specifically so that pages could not be removed and lost. We considered the binder to be an integral part of the car. The only place that it did not go with the car was out on the track. It lived in the car the rest of the time and went with it when sold.
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