I'm under the impression that the LT1 should bolt in and go unless they're balanced differently in which case you'd be in it for a flywheel. My Opti was installed in 2014 (knock on wood), but it was an AC Delco that they quit making.
I'm under the impression that the LT1 should bolt in and go unless they're balanced differently in which case you'd be in it for a flywheel. My Opti was installed in 2014 (knock on wood), but it was an AC Delco that they quit making.
RM CMC Director
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