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98 LS1 to a 03 LS6 swap - what hurdles are there?

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Old 04-05-2004, 03:07 PM
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Default 98 LS1 to a 03 LS6 swap - what hurdles are there?

I tried a search, but I guess I can't formulate the correct search syntax. I know this has to have been asked and answered before. So, please, help me out here ...

I have a '98 TA and looking at an 03 LS6 from a Vette.

What are the subtle differences that will give me headaches?

Sensor connectors? Starter? Wiring harness in general?

Any accessory issues?

What do I need to swap over?

TIA
Old 04-05-2004, 04:40 PM
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Oil pan for one. Exsesorys like A/C and alternater. Crank pully, so most of the stuff on the front you already have. I think all the sensers are the same but you will need to up you sencers in. I dont think your wiring harness will hook up to the 03 sencers. Other than that every thing is the same i think. Not sure on the coil pack hook ups might be diff.
Old 04-05-2004, 05:31 PM
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Sensors are all the same except maybe the driver's side coolant temp sensor. Oil pan must be swapped over and the front harmonic balancer, alternator, AFAIK.
Old 04-05-2004, 06:00 PM
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Coolant temp sensor that goes into the driver's side head is different, 98 is different from 99+.
Old 04-05-2004, 08:09 PM
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Awhile ago I was thinking about this myself. The info I found said that besides the oil pan, it was pretty straight forward. I think the guy who I asked went by the name of SS on your Six.
Old 04-05-2004, 08:40 PM
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starter bolt pattern?
Old 04-05-2004, 09:19 PM
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gravy, bolt it in with your accesories and go . I have a 02 ls6 in my 99 SS with bolt-ons made 399 rwhp untuned 407 tuned check the sig.
Old 04-05-2004, 09:36 PM
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So, I just use my sensors, and everything bolts up ... is that what I'm reading?

C'mon ... it can't be THAT easy ...
Old 04-06-2004, 12:03 AM
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yeap that easy!!!!!
Old 04-06-2004, 09:51 AM
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oil pan too
Old 04-07-2004, 02:10 PM
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Originally Posted by mitchntx
So, I just use my sensors, and everything bolts up ... is that what I'm reading?

C'mon ... it can't be THAT easy ...
Yep, that easy




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