For low RPM application such as an 1800 RPM stand-by generator this is not debilitating. GM Industrial 5.7 Special CharacteristicsĪs an industrial engine the GM 5.7 industrial’s only problem area is a relatively weak valve spring. Besides industrial applications these Vortec heads were also used on late model Chevy 元1 truck engines. Additionally, these Vortec blocks used a late model center bolt style valve cover. As a result only a Vortec manifold can be used on a Vortec engine unless the heads are drilled and modified. The intake manifold bolts on with an 8-bolt pattern, unlike most other 5.7 GM heads that bolt on with a 12-bolt pattern. The GM Industrial Vortec cylinder head was made by installing LT1 Corvette ports into an iron casting. One easy way to identify the 5.7L Vortec engine is to examine the cylinder heads. In addition to locating this number, it is important to determine if your engine has the late style serpentine belt.
It might read as either two or three letters, beginning with an “A”. The number you are looking for will be a suffix stamped after the casting number. Look for a stamped number on the deck of the block at the front on the passenger side of the engine. Identifying Your GM Industrial 5.7 Engine We are concerned here though only with the current 5.7 Litre iteration as used in industrial applications and helping to identify any potential problems with a new replacement engine. This engine has had a variety of cubic inch sizes, block castings, cylinder heads, and other variations. This engine family began as a 265 cubic inch displacement engine in 1955 and continued forward to this day. Over the last 50 years GM has made over three million V8 engines known as the Small Block V8.
This Tech Tip follows on the heels of one earlier, Tech Tip #43, “ GM 4.3 Litre Industrial Engine Identification Made Easy.”
Useful Way to Identify a GM Industrial Engine Tech Tips From Dr Diesel Toggle Submenu for Tech Tips From Dr Diesel.Shop All Parts Toggle Submenu for Shop All Parts.Exhaust Scrubbers Toggle Submenu for Exhaust Scrubbers.Shop Our Brands Toggle Submenu for Shop Our Brands.
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