2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

LS4 Throttle body install

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Old Mar 7, 2009 | 05:50 PM
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LS4 Throttle body install

heres some shots from todays work all taken with the iphone






And my new favorite pic of my car



Its touchy as HELL. I'm having my difficulties trying to tune it and learn how to drive with it.
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Old Mar 7, 2009 | 06:19 PM
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that one reason is why I haven't purchased one and installed it yet. I don't like the idea of either off or full throttle for my DD. And having the tvs won't help much at all either. Good luck with that.
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Old Mar 7, 2009 | 06:20 PM
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Good luck. hey what are your ait2 i read somewhere you said the tvs had gave you fake ait2 readings now what they?
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Old Mar 7, 2009 | 06:23 PM
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i want to install mine but i dont have tune for it...
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Old Mar 7, 2009 | 06:27 PM
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Originally Posted by ColeJJones
i want to install mine but i dont have tune for it...
Do you have hp tuners?If so i could probably send you a file.To tell you the truth,i hated the way the LS4 tb felt,to jerky.Some people like it and some don't,to each their own i guess.
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Old Mar 7, 2009 | 06:30 PM
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yea, my buddy has hpt.... he has my car on file and does allmy ****. the tune will work with my tune i have now?
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Old Mar 7, 2009 | 06:37 PM
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I hate the way it is below 2500 rpms, i couldnt love it more above that, at 80mph on the highway it just feels like your riding a rocket

As for IAT i didnt seem to have any issues today it was 20 over IAT1 for everything but the 7000rpm blast in 3rd where it got up to 149

ALso part of the problem im sure is that I took off the boost cut I had in first gear, I was running with only 40% boost before I think im going to turn that back on.
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Old Mar 7, 2009 | 07:15 PM
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The TC wheels make your car. Looks great.
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Old Mar 7, 2009 | 07:29 PM
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umm i might want to get a ls4 tb. so do i have to tune the car after installing the tb?
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Old Mar 7, 2009 | 08:12 PM
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Originally Posted by Bad05SS
umm i might want to get a ls4 tb. so do i have to tune the car after installing the tb?
Yes sir
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Old Mar 7, 2009 | 08:15 PM
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click.
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Old Mar 7, 2009 | 08:16 PM
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click
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Old Mar 7, 2009 | 11:04 PM
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well its getting better I think with some more work I might be able to deal with it, im cutting out a bit more boost in 1st
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Old Mar 7, 2009 | 11:57 PM
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I've been at work dying to post. LOL. I was gonna tell you to cut a **** ton of boost in 1st gear to make it DD friendly.

Get some slicks for the track and have a track flash with 0 boost cut to haul ass.
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Old Mar 8, 2009 | 12:03 AM
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that thing just plug right in? no rewiring or anything?

Plug and tune?
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Old Mar 8, 2009 | 12:06 AM
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yes, plug and tune.
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Old Mar 8, 2009 | 03:20 AM
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The coupler was tricky I managed to jam on the regular 3inch fujita elbow onto it

I'm cutting even more boost out of first hopefully it helps it starts at 20% and ramps up to 50 I think

Also another thing that sucks I went through a ton of methanol in just a day
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Old Mar 8, 2009 | 12:04 PM
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ls4 tb is a good mod and you'll get used to driving with it. mine just has the basic install tune and no fine tuning and i am just fine with it - took a month or so but i can drive it just like i did before
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Old Mar 8, 2009 | 12:17 PM
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rodimus i sent you a pm
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Old Mar 8, 2009 | 03:23 PM
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The LS4 TB is only beneficial with a Raw or 3 inch intake correct?
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Old Mar 8, 2009 | 03:25 PM
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correct.
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Old Mar 8, 2009 | 04:17 PM
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Well thats good that you get used to it, that gives me some hope, I love the thing above 2500rpm though, you couldnt beat the smile off my face when im driving it

im still needing more boost cut in 1st im making 5psi at 1750rpm which is just too much with that touchy of a throttle
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Old Mar 8, 2009 | 04:19 PM
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Lol, Moar Boost Cut Dammit!!!!
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Old Mar 8, 2009 | 04:26 PM
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my tuner lives like 3 hours away, can you add the LS4 TB and drive it at all, or do you have to tune it right there?
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Old Mar 8, 2009 | 04:31 PM
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without changing the input scaler i really dont think it would be that driveable, even with just that changed its a handful
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