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Thread: 93 Chevy ls swap

  1. #21
    Join Date
    Mar 2012
    Location
    Huntsville texas
    Posts
    47
    Np241 out of a 88 Chevy suburban. If you taped at thermostat got any pics of location in front of or behind the thermostat
    Last edited by Jimmy10415368; 06-09-2012 at 01:10 AM.

  2. #22
    Join Date
    Dec 2010
    Posts
    181
    its better if you run it up instead of down. This is an older truck but the concept is the same.



    Here is where to tap the water pump if you're going that way:



    Or here:

    Last edited by Wagonbacker9; 06-09-2012 at 02:20 AM.

  3. #23
    Join Date
    Mar 2012
    Location
    Huntsville texas
    Posts
    47
    here's my boys helping with the motor swap old one out new one in one more it's good to have friends like these guys
    Last edited by Jimmy10415368; 06-15-2012 at 11:58 PM.

  4. #24
    Join Date
    Dec 2010
    Posts
    181
    Friend swap?

  5. #25
    Join Date
    Mar 2012
    Location
    Huntsville texas
    Posts
    47
    Well got the bottom end done today headers in converter bolted up and modified converter cover to fit. For got to slot the hole in the flex plate but this one has 3 sets of holes and bolted right up. Now the header are a different story used pacesetters long tubes fit wasn't to bad and after a strap and a torch they fit pretty good

  6. #26
    Join Date
    Mar 2012
    Location
    Huntsville texas
    Posts
    47
    Hey guy I got a problem with my swap. When started it idles very ruff what mean is it starts then has to chech up then idles fine when you give it gas and let it come back to an idle it almost dies and some times dose it is kinda hard to start after that what y'all think I will say I have one o2 sensor in right know driver side in passanger side plugged in but not in header. If you unplug the iac sensor what should it do mine dose nothing

  7. #27
    Join Date
    Jan 2012
    Location
    warwick ny
    Posts
    247
    There is a set screw on the throttlebody to adjust you idle.

  8. #28
    Join Date
    Mar 2012
    Location
    Huntsville texas
    Posts
    47
    anyone know why when in park it idles fine but when put in gear and it progessively get higher and higher

  9. #29
    Join Date
    Dec 2010
    Posts
    181
    Quote Originally Posted by Jimmy10415368 View Post
    anyone know why when in park it idles fine but when put in gear and it progessively get higher and higher
    IAC is likely not functioning correctly, or not tuned correctly.

  10. #30
    Join Date
    Mar 2012
    Location
    Huntsville texas
    Posts
    47
    It was tuned by nelson so if there is a problem im sure they will take care of it as far as the IAC should it do some thing when pluged in and unpluged

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