"John R Walker" <dracon.TakeThisOut@comcast.net> wrote in message
news:HfqdnaKbt6y-VhLfRVn-sQ@comcast.com...
> Is the 1999 silverado 6.0L a 454 if not what engine is it?
454 is a 7.4 liter, an 6.0 liter is a 366.
1 liter = 61.0237441 cubic inches.<!-- ~MESSAGE_AFTER~ -->
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