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Thread: Why am I running so rich???

  1. #11
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    Im an Pro at reading, but thats about the extent of it
    1951 3100
    1984 C10

  2. #12
    casey23 Guest
    Quote Originally Posted by ducky View Post
    Im an Pro at reading, but thats about the extent of it
    Well good job maybe i can take lessons.. i will make sure i do more reading and no reason to advise so much i will leave it for you pro's

  3. #13
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    cool your jets turbo. Just a couple people asked about the tune, so I figured Id enlighten anyone else if they happened to reply
    1951 3100
    1984 C10

  4. #14
    casey23 Guest
    Quote Originally Posted by ducky View Post
    cool your jets turbo. Just a couple people asked about the tune, so I figured Id enlighten anyone else if they happened to reply
    I have no jets to cool... I am fine... When i worked for a trans shop people think when you install a shift kit then the trans is "rebuilt"... when i would install a new front pump seal it was a " Complete reseal" so few people think when you tune something then its tuned.... or it should ok "ok" without a tune but Better or great " if it was tuned"

  5. #15
    Join Date
    Jun 2009
    Posts
    15
    the tune was done after all the motor work. The only thing i need to have him retune is i removed the cats.

    What are ltrims values and how do i find them out?
    http://www.ls1truck.com/forums/image.php?type=sigpic&userid=6450&dateline=1246072  834
    4.8L-5spd-3.42-220/222 110lsa-SLP Valve Springs-SLP Stainless shorty headers-No cats-Dual Magnaflow mufflers-Blackbear Tune-No rear 02 sensors-LS1 intake Manifold-28.8 Injectors-Removed EGR, EVAP

  6. #16
    Join Date
    Jul 2008
    Location
    Racoon Twp., PA
    Posts
    1,572
    I have no input other than I would recommend changing the gasy oil as soon as you get this all fixed.


    Good Luck man
    2013 CC 5.3
    81 C10 LS1 project

  7. #17
    Join Date
    Jun 2010
    Posts
    185
    You mentioned you used extensions for the 02 sensors. Make sure you haven't crossed them. The correct sensor must be installed on the correct bank, you can't cross them. If you do, it will probably run very rich.

  8. #18
    Join Date
    May 2010
    Location
    Pearsall
    Posts
    69
    No cats won't make it bog and stuff like that just make it a lot louder and waste more fuel
    Flowmax muffler FTW haha, off-road y pipe, 90 mm TB, TBSS intake, Real low!, needs to be tuned

  9. #19
    Join Date
    Jun 2009
    Posts
    15
    Well i got the motor running good. I found out why it was fuckin up (I think anyways). I had the vacuum lines all hooked up like i saw online (did a LS1 intake manifold swap so i was going by the car setup). I had it all hooked up as if i was using the pcv system but i wasnt. I capped everything off like i found to do when removing the pcv system and she ran great. It was late last night when i figured this out so today if its not pouring im gonna take her down the road to confirm. I did get to 4th gear in my driveway though and didnt bog out at all!
    http://www.ls1truck.com/forums/image.php?type=sigpic&userid=6450&dateline=1246072  834
    4.8L-5spd-3.42-220/222 110lsa-SLP Valve Springs-SLP Stainless shorty headers-No cats-Dual Magnaflow mufflers-Blackbear Tune-No rear 02 sensors-LS1 intake Manifold-28.8 Injectors-Removed EGR, EVAP

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