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Jagdpanzer · 07-31-2012

According to info I have ZUD is not a valid code for any model year LT5.
The proper place to find engne ID is on the left side of the lower crankcase housing inside of the motor mount as seen here for a 1994 model year LT5.

Following are the engine ID codes for all LT5 model years

1990 Engine Code-(First three alpha digits)
ZSD-non-ac
ZSH-AC

1991 Engine Code-
ZTK

1992 Engine Code-
ZAA

1993 Engine Code-
ZVC

1994 Engine Code-
ZWC

1995 Engine Code-
ZUF

07-31-2012	#3
Jagdpanzer Join Date: Apr 2007 Location: Northern VA Posts: 2,651	Re: Crate Engine LT5 , Id Number Decode Help According to info I have ZUD is not a valid code for any model year LT5. The proper place to find engne ID is on the left side of the lower crankcase housing inside of the motor mount as seen here for a 1994 model year LT5. Following are the engine ID codes for all LT5 model years 1990 Engine Code-(First three alpha digits) ZSD-non-ac ZSH-AC 1991 Engine Code- ZTK 1992 Engine Code- ZAA 1993 Engine Code- ZVC 1994 Engine Code- ZWC 1995 Engine Code- ZUF __________________ Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake