Quote:
Originally Posted by b454rat
It’s a combination of the two as I call it. Big block long block but LS fuel and computer BS. Guess that’s the way things are going to, screaming RPMs pulling or towing and not much better economy...
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Then what would you call the L21 454?(it's an L29 with a coil near plug ignition system)
The fuel/ignition system doesn't change the architecture of the engine.