checking rear end housing straightness

413 said

As man, ford guys don't even recommend a 7.5" rear axle to their enemies. LOL

They are pretty delicate.

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Like the 7-1/4, the spiders are the weak link. But, being a dirt circle track car, use a mini spool in it, and 4.56 gears are available. I can't imagine it being weaker than the 7-1/4 axle with welded spiders...