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the 1996 s-10 blazer 4.3 vortec has the computer in the engine compartment on the left hand side....if this is true, you cannot, I repeat, cannot adjust the timing.....the computer adjust the timing....you should be able to read it on the sticker under the hood..... ------- The timing is computer controlled - no way to adjust it, the computer does all of that for you.

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16y ago

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