GM ECM transplant or fuel enrichment

[Ward]

The RPO Code (LT3) descibes the basic and all of the engine systems, type
fuel system, spark, emissione etc.

Ward


On Mon, 07 Feb 2000 00:29:38 -0800, gmecm at diy-efi.org wrote:

>  Jon Watts wrote:
>  > 
>  > 1987 2.0 OHC L4 PFI turbo “M” LT3
>  > 1986 1.8 OHC L4 PFI turbo “J” LA5
>  > 1989-90  3.1 V6 PFI turbo “V” LG5
>  > 
>  > I figured the 3 letter designator at the end of each of these
descriptions was
>  > an engine type since I'd heard of the LT1. Probably a rather large leap
on my
>  > part.
>  
>  It _is_ an engine type.  It isn't entirely clear what constitutes a new
>  type though.  Sometimes different motor mounts result in a different
>  code.  Other times, the same code is given to engines configured quite
differently.
>  
>  -- 
>  Ludis Langens                               ludis (at) cruzers (dot) com
>  Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
> 
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Ward





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