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FAST LSX intake

This is a discussion on FAST LSX intake within the GTO forums, part of the Vehicle Specific category; HAHAHA, I got my LSX intake, and i prepped it for the dealer to install tomorrow... Now before i drop ...

  1. #1
    Need Sand ??? Naf's Avatar
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    Question FAST LSX intake

    HAHAHA,

    I got my LSX intake, and i prepped it for the dealer to install tomorrow...

    Now before i drop it off, anyone have any nightmare issues they care to share...

    Its kinda like the groom asking his best friends if he is makin a mistake.

    Though i have a heavenly Bride...

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    Grand Imperial Wizard Sarge's Avatar
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    Nope...lightweight and doesnt heat soak.....One of the first things I did...

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    So cool, but you know i have 5 allen screw bolts left over that i have no clue where they go...

    Your thoughts?

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    Grand Imperial Wizard Sarge's Avatar
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    If they came with the kit they probably are just spares or for other model years....

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    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by Naf View Post
    HAHAHA,

    I got my LSX intake, and i prepped it for the dealer to install tomorrow...

    Now before i drop it off, anyone have any nightmare issues they care to share...

    Its kinda like the groom asking his best friends if he is makin a mistake.

    Though i have a heavenly Bride...
    I do if it's going on a LS2...........I'll find my thread and bring it back up to the top for you........
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

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    Cool

    Figured it out...

    They are for the throttlebody and throttlebody bracket...I went over to their website and found the packin list...You know they could have given us the full sheet in color...It doesnt cost a whole lot and it looks much more professional...

    But mind you i am going from the old style LS1 throttle body, 8 pin, to the all new LS2 throttle 6 pin...

    Cant wait for that extra umff ...

  7. #7
    car enthusiast djvaly's Avatar
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    Quote Originally Posted by Naf View Post
    HAHAHA,

    I got my LSX intake, and i prepped it for the dealer to install tomorrow...

    Now before i drop it off, anyone have any nightmare issues they care to share...

    Its kinda like the groom asking his best friends if he is makin a mistake.

    Though i have a heavenly Bride...
    make sure u did not get the 90mm, cause u would need a 90mm throttle body with that, I got the 90mm tb and fast paid 900 for both, but it screams better and idles much nicer, yah!

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    Oh i got a 90mm fly-by-wire throttle body...It wasnt easy, but i got it in an auction for 275$

    Not bad when all the regular cable ones go for 300+$
    Hehehe...

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    Angry Ok we have a problem

    I got the intake installed, torqued it just right, and throttle body wired perfectly...

    But, she idles a weebit high, doesnt sound right, and well i am getting throttlebody codes...I went from the LS1 throttle body to a LS2 throttle body.

    HELP

    If anyone has Allen on speed dial, call him for me, I AM DESPERATE FOR HELP


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    Quote Originally Posted by Naf View Post
    HAHAHA,

    I got my LSX intake, and i prepped it for the dealer to install tomorrow...

    Now before i drop it off, anyone have any nightmare issues they care to share...

    Its kinda like the groom asking his best friends if he is makin a mistake.

    Though i have a heavenly Bride...
    I had a 78mm Fast installed on my LS1/LS6 and the installers messed up and did not use the proper flat head bolts to hole down the engine valley cover and cracked the bottom of the FAST at all bolt locations. Needles to say it caused a vacuum leak and had ro be removed.
    So remember to change out the valley lan bolts before installing the FAST intake.

  11. #11
    Nitrous Tuner LS2Tuner's Avatar
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    Must be different bolts on the LS2 then cause that hasn't been a issue with any of our install...... But there was others!!

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    Quote Originally Posted by LS2Tuner View Post
    Must be different bolts on the LS2 then cause that hasn't been a issue with any of our install...... But there was others!!
    Yup, I had to redrill some holes so the TB fitted...The LS1 three bolt and LS2 4 Bolts havve a slightly different pattern....

    But its all over now, and i am Flyin..Later in Jan i will put in my CNC LS6 heads and Spank every corvette i see...

    Not to mention lookin good in the process...

  13. #13
    car enthusiast djvaly's Avatar
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    Quote Originally Posted by Naf View Post
    I got the intake installed, torqued it just right, and throttle body wired perfectly...

    But, she idles a weebit high, doesnt sound right, and well i am getting throttlebody codes...I went from the LS1 throttle body to a LS2 throttle body.

    HELP

    If anyone has Allen on speed dial, call him for me, I AM DESPERATE FOR HELP

    I got my 90mm tb and fast intake done last month. the car idled too high so the mechanic had to order another 90mm tb and now it idles great. The check engine light was on and the trouble code was for "high idle".. so see if the tb is defected or something.

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    Just to put u in the loop, i tapered the rear end of the TB from 75-85mm

    I had to take the throttle plate out, and when i put it in initially i put it in backwards...I then dismantled it and replaced it in correctly, however, there is a bit of a gap around the Throttle plate....I might just plug up the idle hole and call it a night...
    I did go from 70mm throttle plate to 80mm throttle plate...so there is more air sneakin by....

    I would have returned the TB if i didnt know it worked...I took it off of my Tahoe...No problems before...

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