View Poll Results: What my best option w/AFR 205's 227/231 cam, and 6500rpm MAX

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  • YES, get the TPIS 90 conversion w/90mm TB

    0 0%
  • NO, just stick with the BBK w/85mm TB

    0 0%
  • NO, but open up the BBK for a 90mm TB

    0 0%
  • NO, go for broke and get a FAST 102 w/90-95mm TB

    4 100.00%
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TPIS 90mm lS6 intake is it still worth it?

This is a discussion on TPIS 90mm lS6 intake is it still worth it? within the External Engine forums, part of the LSx Technical Help Section category; I've got a LS6 intake boxed up I've had for a few yrs, would a TPIS 90mm conversion give me ...

  1. #1
    Member Blue28's Avatar
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    1999 Camaro Z28

    TPIS 90mm lS6 intake is it still worth it?

    I've got a LS6 intake boxed up I've had for a few yrs, would a TPIS 90mm conversion give me a worthwhile power increase over my BBK SSI intake w/85mm ported TB, or should I just open up the BBK to accept a 90m tb, or not even waste my time?

    Please, Let me know why you suggest a certain poll option.

    Modification list, it's long!
    SLP lid, AMS air filter, BBK ported 85mm TB, BBK intake, flow matched SVO #30 injectors, Yella Terra 6645 rockers, PAC 1521 valve springs w/titanium retainers, AFR 205's w/66c chambers and GM MLS gaskets, LS7 lifters, Comp 7.450" - 5/16"dia. PR's, ARP head Bolts, BBK Lt headers w/ORY, 5" case magnaflow 3" in/out dumped before rear axle, Kaytech manual belt tensioner, Meziere street EWP, Fluidampr10% UD crank pulley, Mast fuel rails, Vinci Performance ported oil pump w/Mikronite process, Cloyes timing chain/gear set, Racetronics in tank 255 fuel pump kit w/hot-wire, Custom CompCam 227(.614")/231(.617") 111lsa +2 cam (LSL lobes), Tick adj. clutch master cylinder, SDPC LS7 clutch kit w/aluminum flywheel, stock 10 bolt w/3.42 gears.
    I've also got poly motor mounts, UMI trans mount w/TA relocation , Edelbrock adj. TA, and a full custom suspension, and a lot more.



    Thanks!
    Last edited by Blue28; 02-28-2011 at 10:15 AM.

  2. #2
    blah '02 WS6's Avatar
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    black
    '02 trans am ws6

    Why not sell both and buy a FAST 102?
    '02 ws6.....mods? nope

  3. #3
    Member Blue28's Avatar
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    I can/could but I want to fully weigh my options first, and even if I do sell everything I'll still probably need to spend another $600 for the FAST102 w/TB and fuel rail. IMO if I can get 15rwhp more without going with the FAST, then I'll be perfectly happy, unless the FAST can give me 10rwhp more on top of that !

  4. #4
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    you want the fast intakes for this one reason.

    the bbk and ls6 intake are well..based on the ls6 intake.

    the new fast has better runner designs ..on top of that it can be ported and so even more promise. You want a intake that can supply enough or more air than your heads will ever need. the big this is to remember use a 102mm tb. the fast 102 with a tune will show you gains. but in order to get them most out of the 102 fast you need to have good/great heads

  5. #5
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    Quote Originally Posted by Blue28 View Post
    I can/could but I want to fully weigh my options first, and even if I do sell everything I'll still probably need to spend another $600 for the FAST102 w/TB and fuel rail. IMO if I can get 15rwhp more without going with the FAST, then I'll be perfectly happy, unless the FAST can give me 10rwhp more on top of that !
    remember tho..it isnt always about peak...you will gain peak..but your power under the curve will be more impressive and your usable rpm range will increase

  6. #6
    blah '02 WS6's Avatar
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    Quote Originally Posted by Blue28 View Post
    I can/could but I want to fully weigh my options first, and even if I do sell everything I'll still probably need to spend another $600 for the FAST102 w/TB and fuel rail. IMO if I can get 15rwhp more without going with the FAST, then I'll be perfectly happy, unless the FAST can give me 10rwhp more on top of that !
    I'm not busting balls or anything but you spent $500+ on a Meziere EWP for 10hp. Seems the FAST would be on par of an upgrade.

  7. #7
    Member Blue28's Avatar
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    Before I bought the EWP I understood why I was buying it. With the FAST I would like feel I made a blind, impulsive purchase, since there's so much conflicting info out there. I prefer to make a educated purchase, so I really know what I'm getting.

  8. #8
    blah '02 WS6's Avatar
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    I'm not sure what conflicting info you've seen, but I personally gained up to 27rwhp/21rwtq under the curve and 19rwhp/11rwtq @ peak.

    If you were to sell both intakes, you'd only have to spend about $400 to get a FAST setup. Seems worthwhile to me, but to each his own.
    Last edited by '02 WS6; 03-03-2011 at 04:54 AM.

  9. #9
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    If you plan on leaving the car the way it is and not going any further, sell both and pickup a fast 92/92 setup. The 102 will be overkill for your current mods. If you plan on going bigger and better down the road, bite the bullet and get the 102 now. Just be honest with yourself before you make the purchase. Also, if you go with the fast 102/102, you should ditch the slp lid and get yourself a FTP 104mm lid and 100mm MAF. You don't want any bottlenecks in the intake tract......you want to be as efficent as possible. Just my .02.

  10. #10
    Member Blue28's Avatar
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    Quote Originally Posted by shady milkman View Post
    remember tho..it isnt always about peak...you will gain peak..but your power under the curve will be more impressive and your usable rpm range will increase
    I really could care less about peak, I'm looking for gains I can actually use in daily driving; without going WOT.
    Last edited by Blue28; 03-03-2011 at 10:17 AM.

  11. #11
    Member Blue28's Avatar
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    Is there any real gains if I get a 85mm MAFS w/tune, with my current setup?

  12. #12
    Member Blue28's Avatar
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    Quote Originally Posted by '02 WS6 View Post
    I'm not sure what conflicting info you've seen, but I personally gained up to 27rwhp/21rwtq under the curve and 19rwhp/11rwtq @ peak.

    If you were to sell both intakes, you'd only have to spend about $400 to get a FAST setup. Seems worthwhile to me, but to each his own.
    What was your set-up before you went with the FAST, and which FAST set-up do you have now?

  13. #13
    blah '02 WS6's Avatar
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    Setup was a Pat G cam/TSP LS6 heads, stock LS6 intake with stock 28.8lb injectors (@ 89.5 duty cycle) stock fuel pump. 435rwhp/393rwtq

    Swapped on Vengeance Racing ported FAST 92/NW 92 with same stock injectors, retuned but couldn't get aggressive because of the injector DC on the higher end. 454rwhp/404rwtq

    Swapped; injectors for SVO 30#, Racetronix Fuel pump kit, 85mm MAF, and FTP 85mm lid, truck coils with heat sinks and retune. 463rwhp/409rwtq
    Last edited by '02 WS6; 03-03-2011 at 10:45 AM.

  14. #14
    Member Blue28's Avatar
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    Thanks!
    Can you post up the dyno graphs, or pm them to me?

  15. #15
    King 0f n00bz shady milkman's Avatar
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    I don't think you will see a big gain from the 85..especially since your restriction will be your tb with your current setup.

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