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Thread: 350 Timing

  1. #1

    Post 350 Timing

    I may sound like an idiot, but what are the steps to setting the timing for a 1991 GMC K2500 with a 350 TBI. I know the concept of a timing light but I would like to get all the steps, start to finish. Thanks

  2. #2

    Default

    Get yourself a Chilton or Haynes. It details the procedure, and you will be using it all the time with an older truck.
    When you hear hoofbeats, look for horses not zebras.

  3. #3

    Default Go with Chilton

    I'd opt for the Chilton They are put together with the novice in mind. They have more info than a haynes.
    Good Luck!

  4. #4

    Default

    Ditto on the manual. The one trick that I can think of is that the 350TBI has electronicaly controlled timing advance. On the drivers side of the engine compartment should be a single-wire connector, tan wire I think, that has to be disconnected while timing it to make sure the computer isn't messing with the advance while you're trying to time it.
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 277K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half



    There are 10 kinds of people, those who understand binary, and those who dont...

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