Quote:
Originally Posted by terrylgreenjr
I'm installing a Porterbuilt C notch this weekend hopefully. I haven't seen anyone use his notch on a Suburban yet. What frame reference point is there that I can use as center point to center the axle in the wheel opening?
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Get your truck up on stands, get a plumb bob and plumb down to the floor your frame and pop chalk lines on the floor, then plumb down the front and back of the fender openings and pop those lines, so now you have 4 lines 2 longitudinal and 2 transverse lines. Measure to the middle of the 2 lines for the fender openings and pop that line, now the important part... Use 3-4-5 to see if that line is square to your frame lines