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The LSX 454 crate engine is a 21st-century upgrade to the legendary Chevy 454 big block race engine. Learn more about dyno specs, installation & more.
This publication is intended to provide information about the LSX long block engine and related components. This manual also describes procedures and modifications that may be useful during the installation.
14 kwi 2014 · Rated at 620 hp and 590 lb-ft of torque, it has the muscle to excel in any high-performance role, be it ruling the street, stealing the show, conquering the quarter-mile, or reigning on the...
With the LSX Bowtie block, Chevrolet has built a 21st century 454 with the latest technology. It's lighter and more compact than an original Big-Block 454 - while delivering Big-Block output of 627 hp and 586 lb.-ft. - but requires no more space under the hood than a production LS engine.
For the record, this 13.1:1, naturally aspirated and single Dominator-fed big-inch LS engine is officially rated at 770 horsepower at a 7,000 rpm and 612 lb.-ft. of torque at 5,600 rpm. Those figures might be a little conservative.
14 cze 2016 · LSX 454 pump-gas engines with stock LS7 heads and conservative cam specs routinely exceed 650 hp and 590 lb-ft of torque on the dyno.
All Texas Speed & Performance 454 C.I.D. LSx long-blocks use a new GM Performance Parts LSx iron block! The standard price includes a fully-assembled GM LSx short-block with your choice of 4.10" or 4.125" stroke crankshaft with a 24X or 58X reluctor wheel.
