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#1
01-26-2019, 05:08 AM
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big block with 10 bolt
Guys i have a 72 el camino U code 402 big block , the car has a 10 bolt rear end , is this possible ??? i thought all factory BB chevs came with 12 bolt .
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#2
01-26-2019, 02:29 PM
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I think you are right, but I've been wrong a lot lately. Maybe someone broke the 12 bolt and swapped in a 10 bolt, or needed a 12 bolt for something else and swapped it. In '71 ALL Camaros and Impalas got the new 8.5 10 bolt, no matter what engine was used, and in '72 all Novas got the 8.5, but the Chevelle, El Camino, Monte Carlo didn't get the 8.5 until '73.
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Freddie 1969 Camaro RS/SS396 (427) 4 speed Last edited by big gear head; 01-26-2019 at 02:33 PM.
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BIGGER_BLOCK (01-26-2019) | ||
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#3
01-26-2019, 04:17 PM
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big block with 10 bolt
Quote:
Bill
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BIGGER_BLOCK (01-26-2019) | ||
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#4
01-27-2019, 02:19 PM
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Quote:
Buddy
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69 camaro Z-28 burnished brown X-77 bought 1978 70 camaro Z28 forest green M40 black vinyl roof PROJECT 99 camaro SS Hugger Orange 6speed no t-tops 1 of 54 11 cts-v black diamond edition wagon 556hp GONE 15 camaro Z/28 white AC brand new
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BIGGER_BLOCK (01-27-2019) | ||
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#5
01-27-2019, 04:03 PM
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big block with 10 bolt
Yes. FWIW Actually, I can't remember any Big Block Chevrolet car (Except Corvette) from 1965 to 1972 that didn't have a 12 bolt rear axle in it from the factory, especially Camaro and Chevelle. But I'm old.
Bill
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BIGGER_BLOCK (01-27-2019) | ||
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#6
01-27-2019, 04:48 PM
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Having owned 2 72 Montes and doing some research, and observing those cars, it was my belief that 72 was the last year for 12 bolts and most Monte Carlos got them to use up existing supplies.
 Mike
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BIGGER_BLOCK (01-27-2019) | ||
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#7
01-27-2019, 10:24 PM
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Chevelle, El Camino and Monte Carlo were the only big block cars to get the 12 bolt in '72. All other Chevys (except Vega and Vette) had the 8.5 10 bolt at that time, no matter what engine was installed. All other GM cars (Except maybe GTO) had also gone to the 8.5 by '72.
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Freddie 1969 Camaro RS/SS396 (427) 4 speed Last edited by big gear head; 01-27-2019 at 10:26 PM.
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BIGGER_BLOCK (01-27-2019) | ||
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#8
01-29-2019, 07:45 AM
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I believe there are known 69 Camaro BB automatic cars w 10 bolt reads... I’ve been known to be wrong on occasion though. Kurt would know.
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BIGGER_BLOCK (01-29-2019) | ||
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