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LS1 MAP or LS3 MAP?

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Old 04-02-2016, 05:58 PM
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Default LS1 MAP or LS3 MAP?

OK, I did search but info I found was older and hoping there is some "newer" input.
I have a 1998 pcm/LS1 car and will be installing a LQ4 with L92 heads, LS3 intake, and NW92.
Wiring and tuning are my weak points...For my tuner, should I use the LS1 MAP sensor, modded to fit the LS3 hole in the front of intake or drill back of LS3 intake to fit and wire will reach OR buy a LS3 MAP and find an extension/adapter to LS1 plug.
My tuner is not the easiest to get a hold of so though I would seek out the expert opinions here. Thanks,
Old 04-02-2016, 06:17 PM
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Just get an extension harness and a map hold down.
Old 04-02-2016, 06:31 PM
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Originally Posted by maroonls1z
Just get an extension harness and a map hold down.
^^And use my existing LS1 MAP sensor?
Old 04-04-2016, 11:30 AM
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http://www.tickperformance.com/linge...-24-inch-long/

https://ls1tech.com/forums/generatio...s3-intake.html

I would use the Ls1 map so you don't have any problems with your pcm reading it.
Old 04-06-2016, 03:30 PM
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Originally Posted by gagliano7
http://www.tickperformance.com/linge...-24-inch-long/

https://ls1tech.com/forums/generatio...s3-intake.html

I would use the Ls1 map so you don't have any problems with your pcm reading it.
That is what I was hoping...I did this yesterday. What do ye and et al think?
I need to find a LS1 to LS1 extension now...
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