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Thread: 228/232cam, TEA 243s, FAST85, LQ4 = 460HP/427TQ

  1. #1

    228/232cam, TEA 243s, FAST85, LQ4 = 460HP/427TQ

    I blew a headgasket on July 4th weekend. I decided to upgrade while I had it torn apart. Finally got the car dyno'd with the new intake and head setup a few weeks ago. I'm very pleased with the numbers. Picked up 40hp and 17tq changing from my LS6 intake, stock ported TB, stock maf and mildly worked 241 setup.

    Current Mods:
    SSRA
    SLP Lid
    85mm truck MAF
    Professional Products 85mm throttle body
    Ported FAST 85
    TEA Stage 2 243 heads milled .020
    Comp Custom Grind 228/232 .588 .595 112+0
    Stock LQ4 Bottom end
    ASP 25% under drive pulley
    Hooker 1 3/4 Longtubes
    TSP ORY
    3" Borla Adjustable Catback with custom 3/4" block off plate

    It's a T56 car running a 315 Toyo TQ Drag radial out back and a 3.73 gear.


    Dyno graph shows baseline and after tune.




    The nitrous will come once I get a beater and some more money in the bank for parts just in case. The 100shot is gonna put some abuse on a lot of parts.
    2004 Silver Birch Metallic Sierra 2500HD
    2002 Torch Red Z06 394HP/379TQ R.I.P.
    2000 Navy Blue Metallic Trans Am H/C/I LQ4 460HP/427TQ SOLD
    1998 Dark Carmine Red Metallic Z34 [email protected] 2.06 60' SOLD

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  3. #2
    And? What's your point? White94Bird's Avatar
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    I hope most of that came from the new heads! Lol!

    And great numbers!
    1998 Trans Am NBM-SLP Lid/Pacesetter LTs/ORY-Borla CB
    2009 Chevrolet Silverado Texas Edition
    1994 Firebird (SOLD)
    Daniel

  4. #3
    Melba Toast. giiventofly's Avatar
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    very cool. what's the compression ratio on an lq4 with the milled 243s?
    John - 05 2500HD (heads/cam)|99 Z28 (12.2 @ 114)|08 GSXR 600 (10.98 @130)
    99 V6: 12.400 @ 106.45 (sold to Sparky)

  5. #4
    It comes out to be about 10.3:1CR. Just a couple points higher than the factory 10.1:1 LS1 CR.
    2004 Silver Birch Metallic Sierra 2500HD
    2002 Torch Red Z06 394HP/379TQ R.I.P.
    2000 Navy Blue Metallic Trans Am H/C/I LQ4 460HP/427TQ SOLD
    1998 Dark Carmine Red Metallic Z34 [email protected] 2.06 60' SOLD

  6. #5
    Melba Toast. giiventofly's Avatar
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    nice. that's probably pretty fun to drive
    John - 05 2500HD (heads/cam)|99 Z28 (12.2 @ 114)|08 GSXR 600 (10.98 @130)
    99 V6: 12.400 @ 106.45 (sold to Sparky)

  7. #6
    Beer Connoisseur Tpunk's Avatar
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    TEA does a great job, and the 243's are awesome on their own. Not surprising numbers, just a well thought out build. I'm going to be doing something similar only with an LS6/85mm maf and with an EPS baby cam (only looking for around 420ish). Gotta do the T56 swap first though. Grats on the numbers, should be a fun ride.
    John, 1999 Isuzu Vehicross Ironman Edition
    No more F-Bodies after 15 years of nothing else

  8. #7
    Full Throttle Extreme! FloydSummerOf68's Avatar
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    Nice
    Shawn
    '11 CTS-V Coupe
    '12 SRT8 Charger
    V6 Firebird - 12.2 on 100 shot and 13.5 Cam only - GONE

  9. #8
    Taking the Twisties pace's Avatar
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    Very nice numbers! Bet that thing is a blast to drive. I hope to be able to get similar numbers with an LY6 and similar sized cam. Just need to stop putting money into these other cars first.
    '99 Camaro
    '04 Saab 9-3 Aero
    '90 Audi Coupe Quattro

  10. #9
    Contributing Sponsor Herron Performance's Avatar
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    Let me know if I can help ya with the nitrous kit!

  11. #10
    Full Throttle Extreme! whitdog54's Avatar
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    awesome numbers. I was iffy on installing this 85mm delphi MAF, but I think ill just go ahead and do it along with a tune. Get us some new track times!

    Id love me some nitrousssss
    2000 Firebird-Pacesetter headers & y-pipe|3" CAT|slp factory dual exhaust|whisper lid|aluminum DS |GU6/G80|1LE sway bars|LCA Relo's|SFCs|3" E-cut out|1/4: [email protected]

    2000 Camaro Z28 A4- SLP lid/smooth bellows | SLP LM1| UMI SFCs/STB | 2.73s | [email protected]

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