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ls3 intake with l92 heads with ls1 computer

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Old Jan 14, 2012 | 12:29 PM
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Default ls3 intake with l92 heads with ls1 computer

How would I go about making this work..I have a 6.0 in my Camaro now & I'm going with the ls3 top end
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Old Jan 14, 2012 | 08:15 PM
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Since you're not changing any sensors, should just be a re-tune...
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Old Jan 14, 2012 | 08:54 PM
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You will need an extension for the map sensor harness because the LS3 intake has it up front.
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Old Jan 15, 2012 | 01:37 AM
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how about the ls3 injectors?
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Old Jan 15, 2012 | 05:52 AM
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You'll need a 4 bolt TB. Are you running DBW?
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Old Jan 15, 2012 | 01:39 PM
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No I'm going to get a 90mm tb
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Old Jan 15, 2012 | 02:17 PM
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Everything is pretty strait forward. Like stated above, all you have to do is extend the MAP harness, and find a way to keep your gen 3 map to stay in place. Also you might have to re pin the computer/harness depending if the computer is wired for DBW. Other than that, there is an excel spreadsheet that is floating around here, and the hptuners forum that has the correct injector data if your using stock LS3 injectors. I am running a 408 LQ4 with the LS3 top end, and it runs great.
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Old Jan 17, 2012 | 01:24 PM
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How about the crank sensor convertor. PCM is 24 the engine is most likely a 48.
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Old Jan 17, 2012 | 01:33 PM
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If it's an LQ4 or LQ9, its a 24x reluctor wheel. If it's an LY6, it has a 58x.
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Old Jan 18, 2012 | 06:31 AM
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You will only need map sensor extension and if running ls3 injectors some plug n play harnesses. Both can be bought by most sponsors. I got my stuff through TSP
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Old Jan 18, 2012 | 09:49 AM
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Originally Posted by 1lejohn
How about the crank sensor convertor. PCM is 24 the engine is most likely a 48.
Then you would need this. You can use just the crank, cam, or both, depending on your needs.
http://www.lingenfelter.com/mm5/merc...gory_Code=C163
Originally Posted by oakley6575
If it's an LQ4 or LQ9, its a 24x reluctor wheel. If it's an LY6, it has a 58x.
Bingo. I'd definitely check first.
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Old Jan 18, 2012 | 09:55 AM
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All you need electrically to make it work is the 24 tooth crank and 1x cam. You could even upgrade to a newer single bolt cam but you would need the conversion front sprocket and the relocated sensor, since the single bolt cams no longer read from the rear like traditional LS1s.
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Old Jan 20, 2012 | 03:39 PM
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I already ordered the injector plugs & the extension harness..think that's it..& a cable driven 90mm tb which I'm about to order
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