1999 5.3 liter Vortec V-8

c y k ckyk at eudoramail.com
Sun Jun 25 20:00:09 GMT 2000


Thanks for the history.  Question:  Since I have the key, cylinder and steering wheel, can I extract pieces, box them and install them in the "on" position somewhere in my Land Cruiser?  Thanks, Charles 
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On Sun, 25 Jun 2000 14:36:12   Chipsbyal wrote:
>I hope this helps some confusion.
>The LS1 family of engines started in the 97 Vette, BTW this was and still is 
>drive by wire. This is an all aluminum block, heads and plastic intake design 
>engine.
>The LS1 became the Z28 engine in 98 with its own PCM, not the same as the 
>Vette.
>The Z28 went to drive by wire I think in 99.
>     Now for trucks.
>In 96 all trucks got port injection, they all had the same PCM, 'cept for 4 
>bangers.
>This basic PCM also was used in 97, just updated to a new design which fixed 
>an inherent ground problem between boards.
>In 98 the trucks got Passlock, this is the anti-theft system. There is no 
>pellet in the key, its in the ignition cylinder and column itself. This 
>vehicle also received a new PCM and subtle connector pin differences. 
>99 The confusing year??? The new "Silverado" 800 series pick up was 
>introduced, all of you in the US should know what this is. This truck came 
>with the 4.8,5.3 & 6.0 liter V-8's or the old style 4.3 V-6 engine. The V-8's 
>are of the LS1 family and have aluminum heads. The HD 6.0 has iron heads. The 
>remaining trucks, such as the Tahoe and Suburban's still continued to use the 
>98 style engine and electronics.
>In 2000 the new Tahoe and Suburban's came out with all of the new stuff.
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