Quote:
Originally Posted by b454rat
The only LS engine that makes more torque than a 454 is the 8.1. Everything else makes more power at higher RPMs. I don’t know bout you, but I don’t like towing at 4500 RPMs constantly. Torque moves you, horse power keeps it going. Me, I’ll take torque.
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The 8.1(L18) isnt an LS engine. Its a big block. It has the same bore centers as a big block, it has the same bore as a 454(4.25") but it has a longer stroke(4.37" where the L29 is 4.00").
It's classifed as Gen VII, where the L29 is was a Gen VI. It is a lot different from the older big blocks, but it has some similarities. It is completely different from an LS engine.