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.
__________________
Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
|