Among the advantages of these engines are factory aluminum heads, lightweight composite intakes and in some cases aluminum blocks. Many, such as the 5.3L (RPO LM7) have a cast-iron block with aluminum ...
Want to go fast? Want to do it cheap? On Faster with Finnegan, Mike Finnegan and his friends will show you the secrets behind making Roadkill-esque heaps into truly raceable junk!Sign up to the ...
In the previous two installments of Modern Mouse, our latest Super Chevy dyno mule, we subjected the little 5.3L LS to a whole slew of aftermarket components, including ported cylinder heads, a ...