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Lq4 built and started!......somethings not right

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Old Jan 29, 2020 | 10:27 AM
  #91  
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I was going to try and slam this thing back together in time for weekend buuuuuuut my crankshaft hasn't shipped yet =(

Its good to know I can reuse those gaskets.
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Old Jan 29, 2020 | 04:20 PM
  #92  
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What do you guys think about my driver side looking brand new and my passenger side got some actual combustion.





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Old Jan 29, 2020 | 05:27 PM
  #93  
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Maybe those coils were unplugged?
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Old Jan 29, 2020 | 07:58 PM
  #94  
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Originally Posted by terravast4
Maybe those coils were unplugged?
thats what im thinking, i never seen an engine one side never fired
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Old Jan 29, 2020 | 10:04 PM
  #95  
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I have a gauge for that
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Yep, you forgot to plug in a coil harness on one side...
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Old Jan 30, 2020 | 07:14 AM
  #96  
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I’m positive I had them plugged in. My wire harness for coils probably got damaged when I removed them from the bracket and painted the bracket. Wires were hard as a rock and didn’t want to bend or move. I’ll try a different set this time around.
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Old Jan 30, 2020 | 08:26 AM
  #97  
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Originally Posted by willhorne22
I’m positive I had them plugged in. My wire harness for coils probably got damaged when I removed them from the bracket and painted the bracket. Wires were hard as a rock and didn’t want to bend or move. I’ll try a different set this time around.
I have a coil harness or 2 kicking around if you want them.
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Old Jan 30, 2020 | 02:02 PM
  #98  
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Thanks but I have a whole nother set of coils with harness Ill try
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Old Jan 30, 2020 | 02:38 PM
  #99  
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Just looked through this and never saw cam specs is it a stock cam or something spicy?

Also I feel your pain My slave cylinder just crapped out so tranny has to come out again.
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Old Jan 30, 2020 | 03:38 PM
  #100  
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My cam specs are 218/222 on a 110+3 .587/.578 nothing major.
LY6 rods and pistons.
NNBS intake manifold
8.1l injectors
ls3 throttle body
pac racing springs
trunnion rocker upgrade

milled heads .030
comp cam push rods
shorty headers

How much horsepower you think this motor will make?

2600-2800 stall converter
4l80e

Ah man that sucks but nothing on these trucks is really hard to work on especially if you have already messed with everything at least once.

Last edited by willhorne22; Jan 30, 2020 at 03:45 PM.
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