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Discussion Starter #1
Can not find my rulebook to save my life,, what is the OD and min thickness for a transmission crossmember supposed to be on a 7.50 cert car,,,
 

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Hmmm, 7.50 cert.....ie. 25.5, 25.4??? If so, and you're using the trans crossmember for the #6C bar then pretty sure its supposed to be 1-5/8" x .083" moly. Not sure on the size in mild steel though. 1-5/8" x .120 maybe.....

Craig
 

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Hmmm, 7.50 cert.....ie. 25.5, 25.4??? If so, and you're using the trans crossmember for the #6C bar then pretty sure its supposed to be 1-5/8" x .083" moly. Not sure on the size in mild steel though. 1-5/8" x .120 maybe.....

Craig
Correct. If used as the 6c bar.
 

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Discussion Starter #5
Thanks guys, i think i will go with the 1 5/8" x .083 CM and be done with it ,
 
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