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timing adjustment

Discussion in 'The Garage' started by RootBreaker, Jan 7, 2007.

  1. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    Location:
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    Ok so my truck is up for inspectoin...
    I need to set the timing....

    so what should it be?

    here is what is there.. if that matters...

    1991 caprice police 350
    1996 vortec heads
    comp cams xtreme 4x4 cam (smallest one .454" lift)
    vortec dual plane intake
    holley truck avenger 670cfm

    so what should it be?
    also I gotta go buy some guarranteed to pass as it helped me last time...

    thanks yall..
    Jeff
     
  2. 58 apache

    58 apache 1/2 ton status

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    8-10 inital 34-36 all in. vac adv disconnected and pluged.
     
  3. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    err can you elaborate a bit more?
    vac advanced disconnected and plugged (which is that part as I have never done that....)
    also 34-36?? how do you get that??:crazy:
     
  4. 58 apache

    58 apache 1/2 ton status

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    do you have a vacuum advance distributer? if so it will have a small canister on it with a vacuum line connected to the carb. just disconnect this and plug both the hose and port. engine at normal temp. at idle you should read 8- 10 deg now run it up to about 3500 rpm it should read 34-36 this is inital (8-10) + mechanical. set it at this and re connect the vac adv
     
  5. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    well i took the truck out.... and it was running bad.. at each store I stopped at I messed with the timing.. I think I got it close by ear now... but will hit it with a light and all maybe tomorrow...

    so far I got...

    brake lights working
    hazzards working
    tightened front ubolts
    checked all fluids
    timing kinda adjusted
    got horn working
    guaranteed to pass and a full tank

    need to do still
    adjust timing
    adjust floats and air/fuel screws
    recenter steering wheel as it is waaaay off
    rear tag light
    mudflaps back on
    run 3/4 of a tank as per guaranteed to pass...

    all by thursday so I can go to inspection
     

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