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Re: 1946 chevy truck build.
[QUOTE=joedoh;8041759]if your bar measurement of 13" was related to the bar measurement of the lowers as 21", you still have the problem. measuring eye to eye isnt going to make it better. fix these problems:
your upper bars point down while the longer lowers are straight, this will always cause pinion/roll steer problems. you want them to be close to level when at ride height.
your upper bars are way too short. looking at them from the top this is visible, the upper length looks to be less than half the lower length. you can only measure their length STRAIGHT ALONG THE FRAME, it doesnt really matter what the actual length of the bar is. the effective length, measured straight along the frame, that is how long the bar is. not eye to eye, not just the bar length, all of that is irrelevant. mark two spots on the frame, the centerline of the axle and where the upper bar attaches to the frame and measure straight between those two points. that is the length of your upper bar. if it helps, imagine it as a big rectangular piece of steel instead of an angled bar. even though you can draw a long line from corner to corner of the rectangle, how long the rectangle is measured along one side is how long the rectangle is. thats it.
nvm I reread this and understand center of axle to center link on axle
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