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Thread: Is this a 5.3 or 4.8

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  1. #1
    Join Date
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    budget 383 SBC dont produce the stock power level of some of the GEN III and GEN IV motors produce


    the 5.3 can be made into a 382 if needed.

    thats an older 5.3 isnt it? pre 02?
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  2. #2
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    Quote Originally Posted by Quik View Post
    the 5.3 can be made into a 382 if needed.

    thats an older 5.3 isnt it? pre 02?
    It is drive by wire so I don't think it's pre 02.

  3. #3
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    Quote Originally Posted by jomo View Post
    It is drive by wire so I don't think it's pre 02.
    they had DBW before 03
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  4. #4
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    Quote Originally Posted by Quik View Post
    they had DBW before 03
    I read on ls1tech that they did not go to DBW on the 5.3 until 2003. I don't know I'm just trying to learn. Another question how can I find out what year the engine is?

  5. #5
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    Quote Originally Posted by jomo View Post
    I read on ls1tech that they did not go to DBW on the 5.3 until 2003. I don't know I'm just trying to learn. Another question how can I find out what year the engine is?
    +1 I was always under the impression that DBW didn't start on the trucks till 03.
    Simple way is the vin.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  6. #6
    MidnightRider Guest
    Quote Originally Posted by Quik View Post
    they had DBW before 03
    not on the trucks the pcm changed in 03 and that was the beggining of the ETB trucks

  7. #7
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    Quote Originally Posted by MidnightRider View Post
    not on the trucks the pcm changed in 03 and that was the beggining of the ETB trucks
    Well the throttle body is drive by wire and the pcm is 12200411 and upon a search they said its 2001-2002. Lets just call it a 2002 engine. It does not matter its going in a 50 plus year old truck.lol

  8. #8
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    Quote Originally Posted by MidnightRider View Post
    not on the trucks the pcm changed in 03 and that was the beggining of the ETB trucks
    he asked if they had DBW on the 5.3s before 03 and i replied back with they did in fact with the tahoes and burbans.

    in the 411 pcms there is still provisions in the tune for ETC
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  9. #9
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    Quote Originally Posted by MidnightRider View Post
    not on the trucks the pcm changed in 03 and that was the beggining of the ETB trucks
    Wrong...

    Quik is right about this. DBW was on the Tahoes and Burbs with traction control. My 2001 C3 has it too, but it is a 6.0L.

    To the OP, if you want to go with a cable throttle body, I am looking for one of the 00-02 DBW throttle bodies.

    To stay with the DBW, you will need to have the TAC module from a pre-03 truck too. The 03-up one will not interchange.

  10. #10
    Join Date
    Nov 2009
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    Quote Originally Posted by PitchBlackC3 View Post
    To stay with the DBW, you will need to have the TAC module from a pre-03 truck too. The 03-up one will not interchange.
    Yeah I have it I just need the pedal. I'm going to start looking for one.

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