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ls1 intake and ls6 intake

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Old 05-11-2008, 01:35 AM
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Default ls1 intake and ls6 intake

how can you tell the difference. i bought this car and am trying to figure out any mods the previous owner may have put into the car. thanks.
Old 05-11-2008, 01:43 AM
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the ls6 looks flatter on the bottom than the ls1 intake. Kind of tough to tell since you already have it on the car though.
Old 05-11-2008, 04:44 AM
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Originally Posted by twitchtwice
how can you tell the difference. i bought this car and am trying to figure out any mods the previous owner may have put into the car. thanks.
you can get the 8 digit part number off it and post it up. you can also post a pic of it and someone can identify it for you.
Old 05-11-2008, 10:37 AM
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I just checked this the other night as well. Here you go.

The old LS1 intake with the EGR setup is 12560688.

The Stock 2001-2002 F-body LS6 is 12561184.

The Z06 LS6 is 12573572.
Old 05-11-2008, 03:01 PM
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can he see the part number when it's on the car though?
Old 05-11-2008, 05:29 PM
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yes you can see it while on the car still . I believe its on the drivers side
Old 05-11-2008, 07:04 PM
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thanks guys, ill have to take a look at that when i get home from work and have some time to play with it. appreciate it.
Old 05-11-2008, 08:13 PM
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also just look at the coolant lines. If there is a coolant line running under the intake then its more then likely a ls1. If LS6 there will be no lines under the intake. You'll be able to tell if the line T's off and goes under.
Old 05-11-2008, 09:25 PM
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passenger side has this number on the intake

12560688

and the TB has Ac written on it, is that a aftermarket tb?

Last edited by twitchtwice; 05-11-2008 at 09:51 PM.
Old 05-11-2008, 10:01 PM
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OEM LS6 intake do not have EGR, all LS1 intakes do.
Then only LS6 intake with a EGR port are the aftermarket ones.
Old 05-11-2008, 10:04 PM
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Originally Posted by twitchtwice
passenger side has this number on the intake

12560688

and the TB has Ac written on it, is that a aftermarket tb?
Thats an LS1. Not sure about the TB
Old 05-11-2008, 10:06 PM
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Originally Posted by bczee
OEM LS6 intake do not have EGR, all LS1 intakes do.
Then only LS6 intake with a EGR port are the aftermarket ones.
Incorrect. The 97-00 corvettes with the LS1 intake did not have EGR.
Old 05-11-2008, 10:07 PM
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okay. well i couldnt find a number on the tb, im guessing if the guy didnt get a ls6 then he didnt get a new tb either. so all he did was a lid.

whats better ls6 or ls2 intake?
Old 05-11-2008, 10:22 PM
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Originally Posted by twitchtwice
okay. well i couldnt find a number on the tb, im guessing if the guy didnt get a ls6 then he didnt get a new tb either. so all he did was a lid.

whats better ls6 or ls2 intake?
ls6 intake is better... it's been proven many times.
Old 05-11-2008, 10:26 PM
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and where is a good place to purchase them?

would it be better to get a ls6 intake first, or buy some headers, with an xpipe, electronic cut outs?
Old 05-11-2008, 11:37 PM
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bumpity bump
Old 05-11-2008, 11:41 PM
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Originally Posted by mchdg86
Incorrect. The 97-00 corvettes with the LS1 intake did not have EGR.
I have a spare LS1 non EGR intake. I have pics if no one thinks it exists.
Old 07-07-2008, 06:40 PM
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I too have the

12560688 part number. This IS a LS1 intake correct? I was told by seller it was, just making sure. In a way I am kinda happy it is. I have at least 25 ponies in the LS1 intake and TB.
Old 07-07-2008, 07:01 PM
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Originally Posted by PewterMNZ
I just checked this the other night as well. Here you go.

The old LS1 intake with the EGR setup is 12560688.

The Stock 2001-2002 F-body LS6 is 12561184.

The Z06 LS6 is 12573572.
Not to just bust in on the thread but I just checked my intake and its the 12573572 the one you say if for the corvette Z06 but mine cane from a 2002 camaro ss. My question is what is the dif between the Z06 and F-BODY ls6 intake? anything?
Old 07-07-2008, 07:08 PM
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Originally Posted by brownz
Not to just bust in on the thread but I just checked my intake and its the 12573572 the one you say if for the corvette Z06 but mine cane from a 2002 camaro ss. My question is what is the dif between the Z06 and F-BODY ls6 intake? anything?
Theyre the same




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