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98 ls1 to 04 6.0

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Old Jul 30, 2011 | 06:23 PM
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Default 98 ls1 to 04 6.0

hey guys few quick questions.. I have a blown up cammed Ls1 in my 98 camaro.
I have found a 6.0 out of a wrecked 2004 GMC that im gonna go look at monday morning. its running with a 90 day refund. Im new to the whole lSX thing. I was wondering if i would run into trouble with wiring harness/coil packs or other issues. I have a motor guy that willl be checking it out to give it his blessing and installing cam. Any help? Again what heads come on the 6.0? are they any good compared to the 241 LS heads?
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Old Jul 30, 2011 | 06:28 PM
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317 heads, it's a direct swap.
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Old Jul 30, 2011 | 06:47 PM
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awesome. i was a little worried about the heads being a problem for performance being that i wont be touching them for the swap.
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Old Jul 30, 2011 | 06:53 PM
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Originally Posted by 93Z2871805
317 heads, it's a direct swap.
So all the sensors from an ls2 are the same as an ls1? Does the motor your buying have flyby wire?
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Old Jul 30, 2011 | 07:00 PM
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i think they should be... i think that i can use 98 sensors with 98 harness? someone please chime in. Also the drive by wire im hoping to use my Ls6 intake and Ls1 TB
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Old Jul 30, 2011 | 07:36 PM
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another question.... can a run a stock oil pump with aftermarket cam? dont know the specs of the cam. however car has Ls6 pump. I was told its not smart to run that same pump after i spun bearing...
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Old Jul 30, 2011 | 09:03 PM
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did a search came up with more questions because most responses were unclear. lol. Is reusing the same oil pump a good idea? i wish i knew the specs on the cam so i could find out PTV clearance. As for the accessories i will be using all of the Ls1 stuff. Im assuming all of the LS1 brackets bolt right up?Doing this on a budget in a matter of a few days so im trying to get all things out of the way. Thanks for all the help.
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Old Jul 30, 2011 | 10:07 PM
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The stock pump should be fine most people just change them because there already down there the heads will be fine with the cam if its and lq4 6.0 u will have a drop in compression if its an lq9 u will be fine all the sensors will swap over that year and previouse 6.0 blocks are using the same sensor location as the ls1s if it is an lq4 6.0 u might want to look into reusing your ls1 heads to bump the compression back up I am using a stock set of 241 heads for my 6.0 build for that purpose
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Old Jul 30, 2011 | 10:11 PM
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Also u can use your ls6 intake and tb and sell the dbw set~up you will also need to change oil pans pick up tube and windage tray also if your engine guy doesn't know much about lsx engines I would take his opinion lightly
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Old Jul 30, 2011 | 10:25 PM
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Thank you for the info. I have 98 heads tho. so im not sure if that would help me any.... motor is out of a 2004 GMC denali. so hopefully everything will be good.
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Old Jul 30, 2011 | 10:46 PM
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04 denali might be lq9 do some checking if so your good there the 317 heads that come on the 6.0s are basicly ls6 heads but have bigger chamber hence the compression drop
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Old Jul 31, 2011 | 12:30 AM
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with the 6.0 swap from the LS1, what all NEEDs to be changed to fit into a 2002 TA? I'm about to help a friend out that chunked a piston on his LS1 and he found a 2001 6.0... Any help or advice for us too would be great! ( Plus any links to previous threads would also help) Thanks!
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Old Jul 31, 2011 | 10:05 AM
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Do not reuse an oil pump after you've spun a bearing, or any instance where metal would make it's way through the pump. Just get a new one.

6.0L blocks need a hole drilled and tapped for the alternator bracket on the drivers side. LS1 blocks have this hole, LQ9/4 blocks do not.
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Old Jul 31, 2011 | 06:10 PM
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So aside from drilling and tapping a hole for an alternator, its a direct swap? No need to pan swapping or any of that? Because the swap we're about to do is a 2001 6.0 into a 2002 TA WS6 with M6.
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Old Jul 31, 2011 | 08:28 PM
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The oil pan pick up tube and windage tray needs to be swaped also the intake ijectors and all of the accys and sensors need to be swaped over
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Old Jul 31, 2011 | 08:30 PM
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Also the flywheel and spacer needs to be taken off the 6.0 and the ls1 flywheel needs to be put on
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Old Jul 31, 2011 | 08:37 PM
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Originally Posted by z99ls1
So all the sensors from an ls2 are the same as an ls1?
I believe the actual sensors are the same, but not in the same location. LQ9/LQ4 iron block however, is in the same arrangement as an f-body. Things that transfer are stated above. Also the oil sensor needs to be swapped over, it's different on an f-body than a truck.
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Old Aug 2, 2011 | 04:50 AM
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Thanks for all the help, really appreciate it!
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Old Aug 2, 2011 | 08:55 AM
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https://ls1tech.com/forums/generation-iii-internal-engine/659189-ls2-conversion-info-inside.html

Guys, there is tons of info available, search and read. Quit waiting to be spoon fed all the time.
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