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Discussion Starter · #1 ·
I was just wondering how long my stock rear would hold out with a stock 400. I plan on welding it, so that takes care of the possie, and I am going to run those 14" rims ont the back, and the 13" rims up front. I dont have time or money for new rims or rear end right now, so how long do I have, realistically?
 
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Discussion Starter · #6 ·
yeah, it is a 7 1/4, but they did use that rear end behind the 273, so i dont know. well see how long it lasts.
 
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Discussion Starter · #9 ·
a ways back I had a 64 val. station wagon and the 7 1/4 just up and left just tooling down the high way. Yea they used the 7 1/4 behind the 273 but when they opted for the comando 273 it went to a 8 3/4. The 8 1/4 will hold up to alot even with welded gears but the 7 1/4 well lets put it this way take the axels out and put a strip down them and then weld up the gears and pull them out a week later and put out the candy cane. what I did was go the junk yard and pulled out a 8 1/4 from a aspen station wagon its held up for me. even with the welded gears.
 

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I had a 66 cuda 273 power pack with the auto trans and a 3.23 sure grip 7 1/4. Swapped the engine and rear into my 68 cuda street car when I found a 340 and 8 3/4 for the 66 race car. Still going strong when I sold it.
 
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