Re: 1999 5.3 liter Vortec V-8

["Bruce Plecan" <nacelp@bright.net>]

Guess, I gotta start opening hoods when at the dealers.
yesterday the new Firebird at 31K was scary.  Gettin close to what I paid
for a house once.  Thanks for the info
grumpy


> I'm not sure about the module match. The 97 and later LS1 series engine,
> which is now in the new trucks with a different intake, have no
distributor
> or high voltage switch. The ignition is CNP coil near plug. Each cylinder
has
> its own module, coil, coil to plug wire and they're all the same. The PCM
or
> now VCM controls each cylinder's spark timing individually, similar to the
> injectors. It does use a new PCM for these, the old truck L 31 with the
eight
> poppet injectors (out of sight) has its own PCM family. The new engines
have
> external injectors, like most PFI systems.
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