factory timing tables.. question

[tnbubba]

just a question becasue im missing something here

but i have a 2003/2004/2006 all 5.3
so wtf are the timing tables( high /low) octane off so much.
I'm talking like 20^

just working on my 06 till i get headers on it nex to hook up wideband,,
but wanted to try to squeeze as much out of it as priactical for time being..

and niticed the timing charts are all over the place different,,

can atatach file sif anyone interested,

Cheers

[blindsquirrel]

Are they all the same engines? Like, there's more to it than just "5.3s so they must be the same".

[Alvin]

Sometimes they have low main spark tables but add a ton with PE spark or not take as much out with IAT etc. .

[bk2life]

can atatach file sif anyone interested

yes please