Apr 27, 2016.
Taking a look at LS engine codes and what they mean, a basic guide for beginners.
LS engines can have an aluminum or an iron block.
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Jun 7, 2017.
Since 1997, GM has produced 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L versions of aluminum LS small-blocks. One common thread among all aluminum.
The LS based small-block engine is the primary V8 used in General Motors' line of.
. The Vortec 5300 L33 (VIN code "B") is an aluminum block version of the LM7, known as the Vortec 5300 HO in marketing materials. The L33 uses flat top .
In honor of the 100-millionth small-block Chevrolet V-8, which just rolled off the lines.
trays housing the different parts for the three engines–cast-alloy (LS7) or aluminum (LS9) pistons,
One often overlooked factor is the LS motor’s potential real-world weight savings. Most LS engines have aluminum heads; most factory small-blocks had iron heads. That’s a 20- to 30-pound weight.
Apr 17, 2018.
The difference between the iron and aluminum LS block is even more surprising with the production LS1/LS2 weighing 110 pounds less than a.
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May 13, 2012.
Showing up first in the 1997 model year C5 Corvette, this aluminum block engine was a departure from the previous small block Chevy engine.
The LS series engines had little in common with the first two generations of the small-block Chevy, but still used 4.4-inch bore spacing. Most truck versions of the Gen III engine family had an iron.
Adding to the fun, aftermarket race block manufacturers have introduced cast-iron, aluminum and billet race versions of the LS platform. Several of these race blocks offer big cubic-inch capabilities.
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A coil-near-plug arrangement replaced the trouble prone Opti-Spark and to save weight the blocks would be cast aluminum with iron sleeves. The new LS1 displaced 5.7 liters, which pencils out to 346.
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