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converting to LS6 MAF

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Old Sep 5, 2011 | 11:20 PM
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I am converting my 2000 to the LS6 MAF. I have the adapter cable. Do I have to disconnect the IAT from the air duct? If so, which one is it and do I just "unplug" it" Will it throw any codes?
Dyno tune to follow next week.
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Old Sep 5, 2011 | 11:45 PM
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Originally Posted by futuretech
I am converting my 2000 to the LS6 MAF. I have the adapter cable. Do I have to disconnect the IAT from the air duct? If so, which one is it and do I just "unplug" it" Will it throw any codes?
Dyno tune to follow next week.
Don't be offended by my question,,,,but why do this? You need to do a bit more research,,,,any "gains" will not be much. Leaving things unplugged,,,,

Just sayin/askin,,,,,?
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Old Sep 6, 2011 | 02:03 AM
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reasonable question. I blew my LS1 this summer and installed an LS6 in its place. Since everything else is converted, and I race the car, I figured I would upgrade everyting to LS6 before my dyno.
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Old Sep 6, 2011 | 06:28 AM
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doesnt the LS6 MAF have the IAT inbedded in it? You have to splice the current IAT wires to the new MAF plug?
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Old Sep 6, 2011 | 08:06 AM
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To Fred.......If you have the correct adapter harness, then it should plug into the new MAF, and split out .....one for the old MAF, and one for the old IAT. You can just unplug the IAT, and leave the sensor in there, until you change the duct...plug it up....etc. If you have to do any splicing, you have the wrong harness.

Last edited by lucky131969; Sep 6, 2011 at 08:21 AM.
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Old Sep 6, 2011 | 12:02 PM
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Originally Posted by lucky131969
To Fred.......If you have the correct adapter harness, then it should plug into the new MAF, and split out .....one for the old MAF, and one for the old IAT. You can just unplug the IAT, and leave the sensor in there, until you change the duct...plug it up....etc. If you have to do any splicing, you have the wrong harness.
Thanks

Can I just us the existing IAT and just get the adapter 3/5 wire adapter for the MAF? In other words, not use the IAT in the LS6 Maf.

To clarify...Do I need to use the IAT in the LS6 MAF?
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Old Sep 6, 2011 | 12:13 PM
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Originally Posted by futuretech
Thanks

Can I just us the existing IAT and just get the adapter 3/5 wire adapter for the MAF? In other words, not use the IAT in the LS6 Maf.

To clarify...Do I need to use the IAT in the LS6 MAF?
I guess you don't, but I don't see the point of buying the adapter harness, and not doing the conversion.
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Old Sep 6, 2011 | 01:01 PM
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Originally Posted by lucky131969
I guess you don't, but I don't see the point of buying the adapter harness, and not doing the conversion.

I already bought the harness (without the IAT splice)...during engine rebuild...and then found about the split adapter. So either I use this one or buy the splitter.
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Old Sep 6, 2011 | 01:43 PM
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Originally Posted by futuretech
I already bought the harness (without the IAT splice)...during engine rebuild...and then found about the split adapter. So either I use this one or buy the splitter.
Ok, I'm confused. You bought a harness, to adapt a 3 wire MAF setup, to a 5 wire MAF setup......and it does not have provisions for the IAT?

Last edited by lucky131969; Sep 6, 2011 at 04:01 PM.
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Old Sep 6, 2011 | 01:48 PM
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The new MAF connector should have the wires for the MAF and the IAT. The IAT sensor is built into the LS6 MAF. If you look inside the MAF you can see it. Its a small black bulb that protrudes from the inside the MAF wall.

If it were me,,, I would just CUT OFF the wires on the old IAT and splice them on to the NEW MAF connector. Leave the old IAT in the ducting for a PLUG!

BC
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Old Sep 6, 2011 | 03:30 PM
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Thanks guys. I just went ahead and ordered the correct cable.
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