<div class='quotetop'>QUOTE(Slowpoke @ May 15 2007, 07:04 PM) [snapback]93553[/snapback]</div>just move all exterior accessories, manifolds, etc.. from the 4.8 to the 5.7...What all would be involved if I were to install an ls1 in my 2004 4.8L 5 speed truck?
Do i need to change oil pans or would it just mount right in? Any sites or related posts would be a huge help.
I tried searching but could not find what I was looking for. Is it just a straight forward bolt in and then a program update?
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externally they are the same....
swap everything pullies and flywheels, water pumps, pan (windage tray and stick), etc...
the only issue is that the injectors of the ls1 are a higher flow rate than the 4.8/5.3 injectors.
programming would be best to tie it all together.
airdeano
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