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Old 09-13-2003, 12:57 AM
SYCIWISH SYCIWISH is offline
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Default Re: 12 bolt axle codes??

It came out of a 68 L-78 car. thanx for the help. DAVE
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Old 09-13-2003, 07:09 PM
Keith Tedford Keith Tedford is offline
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Default Re: 12 bolt axle codes??

In the Chevelles, GM had two different 4:10 coded rearends. Our L78 car has the KK unit while the COPO car has the MQ piece. The same would apply to the Camaros. My parts books list the MQ rearend but doesn't show any special parts in the parts listing. An original '69 parts book might be a better source. My book is a 1981 reprint.
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Old 09-15-2003, 01:33 PM
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YENKO DEUCE REGISTRY YENKO DEUCE REGISTRY is offline
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Default Re: 12 bolt axle codes??

MQ? I thought the COPO Chevelles received KQ's?
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Old 09-15-2003, 02:43 PM
Chevy454 Chevy454 is offline
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Default Re: 12 bolt axle codes??

Yeah, I think Tedford got his alphabet mixed up! Block was "MQ" (or "MP") and the rear was "KQ".

Look here: https://www.yenko.net/dealers/yenko.htm
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Old 09-15-2003, 10:49 PM
Keith Tedford Keith Tedford is offline
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Default Re: 12 bolt axle codes??

Yeah, I got my mords wixed and my tingers fangled on the keyboard. KQ rearend and MQ motor for us. [img]/ubbthreads/images/graemlins/wink.gif[/img]
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Old 08-14-2005, 08:58 PM
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Default Re: 12 bolt axle codes??

And the ring and pinions for a BE vs a BV or others is a different GM #???
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Old 08-14-2005, 09:42 PM
Keith Tedford Keith Tedford is offline
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Default Re: 12 bolt axle codes??

Check www.copo.com and Ed has the Eaton carrier case part numbers listed.....Lots of other good stuff too.
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