Thread: Could use some suggestions.

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  1. #61 Re: Could use some suggestions. 
    GT Level Member atj8's Avatar
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    Quote Originally Posted by USonuMabeaCh View Post
    Ok, so I did some more reading and I guess what I'm currently looking at, for now, is:

    SD headers
    1.90 rockers
    CAI
    genV blower
    N* TB
    modular pulley system
    aeroforce interceptor gauge + wideband o2 sensor
    tuner
    plugs and pulley determined by tune, assuming 3.4 and 104s

    1. do the SD headers go to the cat or will i still need to delete the Ubend/buy a downpipe?
    2. what all will I need to make the N* TB work?
    3. When people are talking LIM, is it just a gasket replacement?
    4. Anything I'm missing, either to lower KR or fill this build or anything i have that's superfluous?
    i literally have the same mods as you listed and car runs like a beast...of course i have 60#injectors, intercooler and e85 with a in car tune. im on a 3.1. i dropped down to a 2.9 than i got alot of belt slippage so i threw the 3.1 back on. youre definitely on the right path
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  2. #62 Re: Could use some suggestions. 
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    Quote Originally Posted by SgtMarshal View Post
    you wont need an upgraded throttle body or maf sensor, but the throttle response is nice if you switch to a northstar throttle body and maf sensor. if you do switch to said tb/maf you will need it tuned to adjust the maf table in the pcm. stock injectors are fine until to have a pulley smaller than 3.1". a custom tune is going to be the best bang for your buck. if you can afford to spend 500 or 679 on a tuner then pick up an HP Tuners and either learn to tune or have Will from Overkilled work with your scans to get it tuned. Good thing about HP Tuners is that it can tune a lot of different vehicles.
    So I thought that a N* TB was an upgrade required as a supporting mod for other things, like bigger cams and bigger injectors etc. Further, I thought that if you didn't have things like cams etc, you wouldn't gain anything by using a N*.

    But if I read this right, it sounds like anyone can gain quicker throttle response by switching to a N*, even if you don't have a lot of mods. Not more power, just quicker response, is that right? Is it really noticable?

    I eventually want to get to a 3.4 myself. I'm stock now though.

    Haven't some people used an LT1 TB as well?
    I don't know what the hell I'm doin.
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  3. #63 Re: Could use some suggestions. 
    GrandPrix Junkie SgtMarshal's Avatar
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    Quote Originally Posted by Daveliz99 View Post
    So I thought that a N* TB was an upgrade required as a supporting mod for other things, like bigger cams and bigger injectors etc. Further, I thought that if you didn't have things like cams etc, you wouldn't gain anything by using a N*.

    But if I read this right, it sounds like anyone can gain quicker throttle response by switching to a N*, even if you don't have a lot of mods. Not more power, just quicker response, is that right? Is it really noticable?

    I eventually want to get to a 3.4 myself. I'm stock now though.

    Haven't some people used an LT1 TB as well?
    it all goes down to the physics of an internal combustion engine. a bigger throttle body will allow more air in, so you can burn more fuel and pump more exhaust out. I've since gone back to a stock L67 throttle body and don't plan on using the north star throttle body again. I had a lot of issues with the throttle position sensor making the transmission do funny things like down shifting to second gear while pulling up a steep hill and the car revving to 6000 rpm. when people switch to an LT1 throttle body it's because they are switching to a turbo.

    there are a lot of people making 325+ hp on a stock L67 throttle body. you don't need a north star for the higher hp builds, and don't need bigger injectors until you drop to a pulley smaller than 3.1 on an L67 car or smaller than 3.4 on an L32 car.
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  4. #64 Re: Could use some suggestions. 
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    Quote Originally Posted by SgtMarshal View Post
    it all goes down to the physics of an internal combustion engine. a bigger throttle body will allow more air in, so you can burn more fuel and pump more exhaust out. I've since gone back to a stock L67 throttle body and don't plan on using the north star throttle body again. I had a lot of issues with the throttle position sensor making the transmission do funny things like down shifting to second gear while pulling up a steep hill and the car revving to 6000 rpm. when people switch to an LT1 throttle body it's because they are switching to a turbo.

    there are a lot of people making 325+ hp on a stock L67 throttle body. you don't need a north star for the higher hp builds, and don't need bigger injectors until you drop to a pulley smaller than 3.1 on an L67 car or smaller than 3.4 on an L32 car.
    Ok, I didn't know when or why people switched over to them, or what all you need to do it. I've just seen it a bunch in peoples sigs.

    Are the problems you ran into something that can be tuned out? I suppose you tried that, but just asking. If you gain throttle response i can get them at a pull a part junk yard not far from me for pretty cheap. Not sure what to do about that adapter plate though, that takes the cheap out of it lol.

    So even though it isn't necessary for fuel air delivery, you do or don't gain quicker throttle response, despite some annoying issues that may or may not be tuned out? Sorry to beat a dead horse, just learning.
    I don't know what the hell I'm doin.
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  5. #65 Re: Could use some suggestions. 
    GrandPrix Junkie SgtMarshal's Avatar
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    there is no way that I know of to tune out the problems. you would also need a different mass air flow sensor, most people use an LQ4 because it's the biggest that gm ever made, and with that you would have to have some custom tuning. it's really more work than it's worth. the throttle response is noticeably faster.
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  6. #66 Re: Could use some suggestions. 
    Killa Bee Scottydoggs's Avatar
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    you dont really "need" the n* tb and maf until your up to and over 300 hp. just a waste of money till that point.

    you need the tb and maf

    adapter plate,

    and a canned tune or a tuner to make it work. owning a tuner is best.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  7. #67 Re: Could use some suggestions. 
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    Quote Originally Posted by Scottydoggs View Post
    you dont really "need" the n* tb and maf until your up to and over 300 hp. just a waste of money till that point.

    you need the tb and maf

    adapter plate,

    and a canned tune or a tuner to make it work. owning a tuner is best.
    WOW, I can't believe the amount of research this seems to be taking!!
    So, the way I understand this is: the N*is not needed for a Gen V swap that the oem and mar will be ok? I might be looking at this too deep!! Jim.
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  8. #68 Re: Could use some suggestions. 
    GTP Level Member Tonkin2000GT's Avatar
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    I needed the N* and maf but either way the throttle response is way better I was surprised and it's bigger. Deffently not a waste of money.

    Sent from my SM-G920V using Tapatalk
    00 Grand Prix GT, top swapped, .020 FMP, GT1 Cam, SFI Crank pulley, SSM90, 3.3 MPS, ZZP ported Gen 3/LIM, ported heads, #90's, N* TB, SLP Intake/Headers/Catback, F-body brakes, KYB AGX, Aeroforce, AEM, 93 octane.
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