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#1
11-16-2011, 03:14 PM
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Re: 69 COPO 427 Chevelle engine MQ code
Best I can ascertain, the engine was internally balanced at some point. I'm guessing it's the initials to the person who did the balancing.
Other than that, maybe the Zapruder films were stored in there. [img]<<GRAEMLIN_URL>>/crazy.gif[/img] 
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#2
11-17-2011, 11:19 PM
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Re: 69 COPO 427 Chevelle engine MQ code
I think you will find that the 396 and 427 were internally balanced from the factory. The 454 had the weighted balancer and flywheel for an external balance.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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