GM ECM transplant or fuel enrichment

[Ludis Langens]

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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