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fast90 or aluminum?

This is a discussion on fast90 or aluminum? within the External Engine forums, part of the LSx Technical Help Section category; my brother is in an argument at work he told me to get on here and ask just because he ...

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    megs 02sunsetorangeZ's Avatar
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    fast90 or aluminum?

    my brother is in an argument at work he told me to get on here and ask just because he cant someone at his work has an '01 Z. he has a fast90 but said he wants an aluminum intake cuz the aluminum flows better. i would rather have the fast, what do yall think?

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    I'm not sure about the flow difference, but the fast does not absorb heat like an aluminum intake will. Which means the fast will have a slightly lower intake charge temp. The aluminum intake is great if you are going to run some type of boost because it can handle higher pressures.
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    King 0f n00bz shady milkman's Avatar
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    dont take this the wrong way..but your brother is dumb on this one...aluminum does not flow better..also with aluminum..you get heat soak waaay more then fast...he already has the 2nd best intake on the market..only behind the fast 92/92

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    Your dealership guy konigandy6's Avatar
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    Quote Originally Posted by shady milkman View Post
    dont take this the wrong way..but your brother is dumb on this one...aluminum does not flow better..also with aluminum..you get heat soak waaay more then fast...he already has the 2nd best intake on the market..only behind the fast 92/92
    +1
    Too bad the Fast intake is the most expensive one out there.

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    JUISSED Midnight02's Avatar
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    If he has a FAST 90 on a stock cube LSx motor, there isn't much in the way of an aluminum intake that will help him (unless he's running a FI or N2O setup and wants a little added security).

    I used to have the aluminum Weiand intake on my car and I picked up 45 rwhp and 20 rwtq just from my mild head swap and a ported FAST 92/92 combo. Keep in mind, that's only a gain in the peak numbers....I picked up a TON of power throughout the band.
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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by Midnight02 View Post
    If he has a FAST 90 on a stock cube LSx motor, there isn't much in the way of an aluminum intake that will help him (unless he's running a FI or N2O setup and wants a little added security).

    I used to have the aluminum Weiand intake on my car and I picked up 45 rwhp and 20 rwtq just from my mild head swap and a ported FAST 92/92 combo. Keep in mind, that's only a gain in the peak numbers....I picked up a TON of power throughout the band.
    fast's have always been able to handle N2o and FI..if you order the optional burst panels.

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    I don't sell out! blackSS01's Avatar
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    I got one for you. Tell him the aluminum is better, then buy his fast off of him at a steal price once he buys the aluminum.
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    megs 02sunsetorangeZ's Avatar
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    Quote Originally Posted by shady milkman View Post
    dont take this the wrong way..but your brother is dumb on this one...aluminum does not flow better..also with aluminum..you get heat soak waaay more then fast...he already has the 2nd best intake on the market..only behind the fast 92/92
    no no my bro has the stock ls6 intake. the guy has a fast, 3500 stall, and gutted cats but wants an aluminum but my bro, blue02Z said the fast is better.
    Last edited by 02sunsetorangeZ; 07-24-2008 at 01:27 PM.

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    a ported 90/90 fast intake is about the same as a ported fast 92/92.. their is really not that much of a difference in them except that fast stop makeing the 90..

    :Burnout:

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    Quote Originally Posted by WARP211 View Post
    a ported 90/90 fast intake is about the same as a ported fast 92/92.. their is really not that much of a difference in them except that fast stop makeing the 90..

    :Burnout:
    i'm curious how you know that? the plenium is increased and these 92s are said to be easier to port..

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    old timer blue02Z's Avatar
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    hey everyone, the dude has an 01 z. it is cammed with stock manifolds, gutted cats, 3500 stall and 3.73s. he also has a fast intake but wants to get rid of it because he wants aluminum. i told him he was crazy and the fast is better and will run cooler. he told me i dont know shit about engines and he could build a better engine because aluminum you can port and the fast is uportable. i told him whatever big guy and walked off.

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    old timer blue02Z's Avatar
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    Quote Originally Posted by shady milkman View Post
    dont take this the wrong way..but your brother is dumb on this one...aluminum does not flow better..also with aluminum..you get heat soak waaay more then fast...he already has the 2nd best intake on the market..only behind the fast 92/92
    i isnt dat dum

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by blue02Z View Post
    hey everyone, the dude has an 01 z. it is cammed with stock manifolds, gutted cats, 3500 stall and 3.73s. he also has a fast intake but wants to get rid of it because he wants aluminum. i told him he was crazy and the fast is better and will run cooler. he told me i dont know shit about engines and he could build a better engine because aluminum you can port and the fast is uportable. i told him whatever big guy and walked off.
    ill buy it off of him..plus he is a idiot..fasts can be ported

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    Veteran Hi-Po's Avatar
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    Quote Originally Posted by shady milkman View Post
    i'm curious how you know that? the plenium is increased and these 92s are said to be easier to port..
    The 92 isnt that much more of an intake.

    Only the mouth is an extra 2 MM's. The plenum is the same. They are almost identical, to my understanding.

    The extra 2 mil in the mouth isnt going to do much. ESPECIALLY on a stock cubed LS1. I bet you dont see any more gains with the 92 over the 90. All they did was re-do the 90 with a slightly larger mouth and tell everyone it is the cat's meow compared to the 90.

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    formally 01 T/A 0verkill's Avatar
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    ya the fast is the best on a stock ls1 a 90 mm is good you dont need the 92 till you go fi. and it can be ported thay add stock just for that. i want to know what happend to the weiden composit intake that that say is going to out do the fast if that happins i want one. but where is it

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by Hi-Po View Post
    The 92 isnt that much more of an intake.

    Only the mouth is an extra 2 MM's. The plenum is the same. They are almost identical, to my understanding.

    The extra 2 mil in the mouth isnt going to do much. ESPECIALLY on a stock cubed LS1. I bet you dont see any more gains with the 92 over the 90. All they did was re-do the 90 with a slightly larger mouth and tell everyone it is the cat's meow compared to the 90.
    saw a extra 5hp on the dyno...take it for what its worth...dyno fluctuations ect.

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    Quote Originally Posted by blackSS01 View Post
    I got one for you. Tell him the aluminum is better, then buy his fast off of him at a steal price once he buys the aluminum.
    great minds think alike!!!

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    Quote Originally Posted by Hi-Po View Post
    The 92 isnt that much more of an intake.

    Only the mouth is an extra 2 MM's. The plenum is the same. They are almost identical, to my understanding.

    The extra 2 mil in the mouth isnt going to do much. ESPECIALLY on a stock cubed LS1. I bet you dont see any more gains with the 92 over the 90. All they did was re-do the 90 with a slightly larger mouth and tell everyone it is the cat's meow compared to the 90.
    +1 ^^^^^

    My tuner told me the samething that the only difference is the mouth but you can port the mouth to a 92 on a 90 fast.


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    I don't sell out! blackSS01's Avatar
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    Quote Originally Posted by 99w69kitt View Post
    great minds think alike!!!

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    aluminum is best for forced induction.
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