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VortecMAX/LQ9 swap help, lots of questions.

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Old 03-28-2010, 05:59 PM
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1 of the reason when I purchased my truck was because of the drive by cable. I want control and feel the response from my foot, no delay what so ever. So I am happy it will be on the LQ9, they never came with.

This is my 183k mile 5.3



This is my 2004 75k mile 6.0 LQ9


Ready to drop in once I change knock sensors, and weather permits.
Old 03-29-2010, 11:11 AM
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This is TOO GOOD to be true. I ohmed out all the sensors checked the resistance, compared to my 5.3 and ALL sensors are GREAT! I did change the oil pressure sensor which was melted. So Im reusing all the others. Also pulled all the plugs, and they looks brand new, so inspected those carefuly too, and the test good tolerance. SO Im reusing those as well. Got to love your DMM. I swapped the plug wires over to the LQ9 from the 5.3.

Just thought I would share that. Cause thats amazing.
Old 04-05-2010, 03:05 PM
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Its bolted to frame, its in the truck. Just thought I would post a update about it. Still have to button it up.
Old 04-16-2010, 09:18 PM
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PURRS like a Kitten.
Same spark plugs iridium delcos the engine came with, same sensors except oil sending unit. Swapped my 5.3 intake, coils, waterpump. She has tons of power with zero leaks. Way better than my 5.3 IMO

Just thought I would update this.
Old 04-16-2010, 09:47 PM
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so you got it working? awesome!
Old 04-17-2010, 01:43 AM
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Originally Posted by Atomic
so you got it working? awesome!
Yes sir, put 40 miles on her yesterday. Was a blast to drive those 40 miles, hands down this was the best power upgrade to dollar ratio. The engine runs smoother and quieter than the ole 5.3. The computer tells the difference at part throttle, it just slips the tranny from the extra tq output. I need a tune bad.
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