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intake

This is a discussion on intake within the External Engine forums, part of the LSx Technical Help Section category; thank you. well, I won't lie it was pretty dam expensive..lol. But I don't go cheap, especially when keeping with ...

  1. #21
    Member TACE02's Avatar
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    ASC #753
    2002 Collector's Edition

    thank you.

    well, I won't lie it was pretty dam expensive..lol. But I don't go cheap, especially when keeping with stock bottom end. trying to get the most I can out of it. Intake, TB, injectors, and MAF came out to $1750.00 and the labor cost for tricking out the intake was another $300. But well worth it, I try to take care of my baby, and she loves it when I spend money on her...haha

    You are the first I have heard to say a FAST 90 would limit you???

  2. #22
    I Like It Stroked 99Ls1fever's Avatar
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    Artic White
    1999 Z28 408 Stroker M6

    I am just refering to the bread basket intake vs the fast 90 and the amount of horsepower and boost I am running. Here are the direct links to what i am talking about...
    http://www.beckmechanical.com/intakes/sam.htm
    http://www.tpis.com/index.php?module=12_08_06
    http://www.harrisspeedworks.com/gall...s.php?album=58
    http://www.spectrum5racing.com/

  3. #23
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    Quote Originally Posted by TACE02 View Post
    LMAO!!! Don't sell yourself short. I have H&C, and just by changing from a stock LS6 manifold and TB to a tricked out FAST 90 w/ 90mm Nick Williams TB, 42 LB injectors, and going back to a stock MAF from that POS 85mm Granitelli I picked up 51.03 RWHP and 27.39 RWTQ. And I can tell a huge difference. I only thought I had traction issues before...
    whats heads and cam are you running? What were your before and after numbers. 51rwhp just by going to a 90/90 a really huge gain! Was the car retuned, or tuned for the 1st time when you did the 90/90 swap?

  4. #24
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    Artic White
    1999 Z28 408 Stroker M6

    He is putting more fuel into the engine, he is not just posting intake diffrences....

  5. #25
    Member TACE02's Avatar
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    true, more air calls for more fuel, but the Air to Fuel ratio is still pretty close before and after, right around 13.0 to 1. And yes it was a retune with the addition of the 90/90.

    Not gonna name the original place but before was 420/390, at the new place the before was 383/354... just goes to show how "good" a shop can make your numbers look. SAE numbers now are 434/382 (granted the shop that did the work told me I should put her on another dyno to compare #s)... should go back to the first shop, might look something like 471/417... (like everyone else who has almost identical setup that has gone there)
    But I don't really care, numbers don't win races.

    yes it was tuned before with PP stage 2.5 heads and MS3 cam and all bolt ons except intake, TB, and injectors. Then tuned again after the 90/90 and injectors. But from all my research I gained a huge amount for what I had done.

  6. #26
    I Like It Stroked 99Ls1fever's Avatar
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    Artic White
    1999 Z28 408 Stroker M6

    [QUOTE=TACE02;1264228
    yes it was tuned before with PP stage 2.5 heads and MS3 cam and all bolt ons except intake, TB, and injectors. Then tuned again after the 90/90 and injectors. But from all my research I gained a huge amount for what I had done.[/QUOTE]

    Man that is a sweet set up you have going there. What ET'S do you run in that set up?

  7. #27
    Member TACE02's Avatar
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    crap!!! can't get the car to hook...lol. starting the suspension upgrade this season. Did power upgrade last season and suspension this season. all we have is a 1/8 here and I refuse to go all out trying to save the 10 bolt since it was my daily driver. ran a 1.76 60' on a 3000 dump 7.99 @ 90 MPH. and on loaner ET drag radials that were worn out. only ran her once on ETs. haven't ran her with the 90/90 yet, track closed :-(. She should be in the mid 7 range and high 11s as of right now. Refusing to spray or shave weight. And this is with our local 3000+ daily DAs.

  8. #28
    Member TACE02's Avatar
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    ASC #753
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    I see you have a 408 stroker M6. NICE!!! bet you cut some pretty dam good ETs. I think you got me...lol.

  9. #29
    I Like It Stroked 99Ls1fever's Avatar
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    Artic White
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    Quote Originally Posted by TACE02 View Post
    I see you have a 408 stroker M6. NICE!!! bet you cut some pretty dam good ETs. I think you got me...lol.
    I just got that 408 this winter, I havent been to the track cause I live in Colorado where god hates us and it snows every week.... But i DEFINATLEY need a Moser rearend cause my 7.5 will probabley die this year... I have suspension upgrades but the rearend is my weak link...

  10. #30
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    2002 Z28

    The TPIS 90mm t.b. and Modified LS-6 Intake, custom spec'd cam, 61 cc chamber heads wth a 11 c.r.
    gave me 444.51hp & 423.29 ft lbs on a dyno jet in 65 degree, 83% humidity..

    I know for a fact that the Fast 90 would help me pick a few more ponies but with the price difference being almost double the TPIS set-up proved it could do the job..
    If it was a stock cube motor or anything under 400 c.i. I would say go for it..

    But since it is a 408 I would still look into the Fast set-up or possibly wait for the results of the new Composite WEIAND Street Avenger Intake which has trumpet shape runners..
    And designed by STARR in Australia..
    which may or may not prove to be better and cheaper than the Fast 90

  11. #31
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    Artic White
    1999 Z28 408 Stroker M6

    I am also looking at the Edelbrock Victor Jr. Intake system with an elbow intake trottle body system...

  12. #32
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    grey
    95 9c1 caprice

    i have the "hopping gm's 6.0l LS-series small block" part I, II, III on my computer. if someone wants the files to post them on here i'll email them to u or just tell me how to post it on here so everyone can read it...its a great article....good enough for me to scan it so i never lose it.!

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