For me, not quite. If I bring the rockers to parallel, the front frame rails would have to go up to maintain the heights referenced in the shop manual, which would throw the whole fender/cowl/hood alignment way out. I went through every iteration I could think of, disassembling and reassembling multiple times, and just could not come up with a way for the rockers to be perfectly parallel. Even though the car has been in an accident at some point, both rockers are straight and level with each other.Did you ever figure out if the datum line/reference line is parallel to the rockers?
Based on measurements and my AutoCAD drawing, it’s tilted upwards in the front by 0.615 degrees. My digital angle finder shows 0.60 degrees as I have it now, bolted to my garage floor. The alignment of the front sheet metal is decent, but the gap between hood and cowl is bigger than I would like (it’s around 1/4”). Right now, all the holes in the cowl panels and firewall where the export brace mounts are all aligned.
I will probably try to force it a little more to try and get the rockers a little more parallel to the datum line, which would close the hood/cowl gap a little. Most of my problem is having started with a car that has been in an accident and not knowing exactly what heights all the parts are supposed to be as referenced from the datum line.
I have a feeling that they should be, but if the body is tweaked out of shape a little, I have no measurements nor ability to straighten it out.
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