Are the SBC's and the BBC's Dead?

[MarkM66]

Doesn't look like the LS1 has a weight advantage. Even with an aluminum block.

Posted by Steve1968LS2:

457.6 lbs, LS1 auto; 497.2 lbs, LS1/LS6 manual

From Chevy2only; http://www.chevy2only.com/index.php?..._position=54:8

Weights are from carb to oil pan with HEI dist, harmonic balancer, and iron water pump.

SMALL BLOCK
All iron small block 520 lbs.
Alum heads w/iron small block 480 lbs.
All alum motor 389 lbs.

BIG BLOCK
All iron BB 754 lbs.
Alum heads with iron block 660 lbs.
All alum BB 501 lbs.