Quote:
Originally Posted by Suprastar
Why the LSx? Toyota already makes a perfectly serviceable V8 in the form of the 5.7L from their Tundra trucks.
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Pushrod engines like the LSx line are a lot smaller than OHC engines like Toyota's V8s. While I'm sure it wouldn't impossible to fit the Toyota engine, it will be much easier to fit the GM one. Just for fun, here's a couple examples of OHC and OHV engines:
The foreground is the 1.6L I4 out of a Miata. The background is a 5.7L V8 (LS1). Obviously perspective is skewing things a bit, but the idea still there.
More relevant to this discussion:
Both Ford engines, the left is the 4.6L Modular DOHC V8 engine and the right is the 4.9L 302 ("5.0") V8.