Ls3 swap into my 06 rcsb
07-20-2015, 12:51 AM
#11
On The Tree
Thread Starter
Does anyone know anybody that has done this swap so I can ask them a few questions? Or can anyone point tward a shop that has done it. I figured this forum would be my best bet for knowledgeable people on this subject. Any help will be much appreciated.
08-30-2015, 06:02 PM
#12
i am working on a project like yours its kinda a frankenstein.... 1999 2dr tahoe.... i am using a 411 ecu and harness from a 2001 tahoe... i used a lingerfeler convertor box for the 58x to 24x crank and cam sensor (trg-002).... I am using l92 (truck intake) and ls9 cam with 4x timing chain sprocket.... I have all the parts just waiting on my machine shop to finish up so I can finish up....
08-30-2015, 08:25 PM
#13
On The Tree
Thread Starter
i am working on a project like yours its kinda a frankenstein.... 1999 2dr tahoe.... i am using a 411 ecu and harness from a 2001 tahoe... i used a lingerfeler convertor box for the 58x to 24x crank and cam sensor (trg-002).... I am using l92 (truck intake) and ls9 cam with 4x timing chain sprocket.... I have all the parts just waiting on my machine shop to finish up so I can finish up....
12-24-2016, 02:05 PM
#14
Teching In
Join Date: May 2006
Location: IL
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Well i cant speak for swapping in a complete LS3 into your truck but I can give information on if you kept the lq9. I am dang near about to fire up my lq9 that i have swapped ported ls3 heads, ls3 intake, custom grind cam setup. I can give information on if you wanted to go that route but you prob wont.
I have a high high mile LQ9 and it could use a rebuild or at least a valve job but why not swap on the rectangular port heads with a newer truck style intake n bigger TB n cam while I'm there.
Curious if the sensors swap over and what problems you ran into.
I also thought about a whole LY6/ l76 truck engine swap do the 58x to 24x conversion and delete the cylinder deactivation put a nice mild rumble 6000 rpm cam.
The reason for a whole swap would be since my engine has 320,000 on it.
Thanks
12-27-2016, 09:30 AM
#15
TECH Regular
Yea all the sensors swapped over. I deleted my egr that sits on the old truck manifold since the lS3 intake i have doesnt have one. The TB i got off ebay is a 90mm that both my factory sensors on it worked. umm the map sensor i had to extend the wires as on the new ls3 intake it sits at the front more. I had to get injector sensor converters to go from the ls3 injector connector to lq9 they are about 90 bucks. As for the engine, it pulls like a sob up top of course but i am having trouble with the tune. My tuner is an idiot so i had to buy HP tuners and work through it myself.
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