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Post by Dave on Oct 26, 2014 13:14:15 GMT -6
Is there a good way to check if rear-end tubes are straight without taking rear-end out and putting in jig. Thanks
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Post by racer96m on Oct 26, 2014 15:20:26 GMT -6
If you put a straight edge on the end of each snout, then take measurement horizontally and vertically, front edge to back edge, and top to bottom, you can come real close.
Dave
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richard
Steering Wheel Holder
Posts: 3 
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Post by richard on Oct 28, 2014 11:31:07 GMT -6
Spin the tires to scribe a mark in the center of the tread to eliminate run-out (as though checking toe on front). Measure from one tire across to the other exactly on that mark. Rotate tires 1/4 turn, measure again IN THE SAME PLACE ON THE TIRE, rotate 1/4 measure, etc. until all four quadrants are measured. Look for variance which would indicate run-out and a corresponding bend.
Same process as a straight edge across the tube end (snout), but can be done without a helper or without taking hubs apart.
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richard
Steering Wheel Holder
Posts: 3
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Post by richard on Oct 28, 2014 11:53:09 GMT -6
Okay, so what do you do if they're bent?
I have an article from the 1980s in Circle Track mag that says how to straighten using a torch to heat a spot on the tube to warp it back to center. You may find a similar article on the web.
I've also used a bottle jack and chains to bend straight again.
Rick
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