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Chevy Engines. Generation 111 Small Block Motors.

March 18th, 2010
The Generation III Vortec Chevy Engines with 5300cc, or more commonly called the LM7/LM4/L59/L33, is a V8 truck engine. It is a longer stroke version of the Vortec 4800 and replaced the 5700 L31. The L59 denotes a flexible fuel version, while the LM7 was the standard version of the engine. The LM7 Vortec 5300 was [...]