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hp gains from long tubes and ls6 intake

This is a discussion on hp gains from long tubes and ls6 intake within the External Engine forums, part of the LSx Technical Help Section category; ok im tossing on my ls6 intake and a set of long tubes with cut outs , the car is ...

  1. #1
    🤔 11s. blackbirdbrain89's Avatar
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    black trans am
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    hp gains from long tubes and ls6 intake

    ok im tossing on my ls6 intake and a set of long tubes with cut outs , the car is pretty stock but made 341 and 352 ftlbs of tq . im also putting on a mosor nine inch with intake and heares am i going to re gain any hp or just hope i break even

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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Uh.... Stock with 341hp?! Factory freak or that dyno is a POS.

    What are all your mods?

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    Rockin the Ruckus! 02Sweet's Avatar
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    2002 z28 camaro

    Quote Originally Posted by JoshieDoom View Post
    Uh.... Stock with 341hp?! Factory freak or that dyno is a POS.

    What are all your mods?
    i agree that is high

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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Waiting on a list of mods... if you DONT have a cam or n2o then you need to find a new DYNO!

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    Rockin the Ruckus! 02Sweet's Avatar
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    2002 z28 camaro

    Quote Originally Posted by JoshieDoom View Post
    Waiting on a list of mods... if you DONT have a cam or n2o then you need to find a new DYNO!
    wouldn't 243 heads do that?

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    Impounded
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Quote Originally Posted by 02Sweet View Post
    wouldn't 243 heads do that?
    Yes, but stock just flew out the window with all those parts we listed

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    Senior Member karpetcm's Avatar
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    Damn at 341rwhp is amazing for stock the highest ive ever seen was a 02 WS6 M6( Silver) on a dynapack several years ago bone stock was 331rwhp and that was nothing short of amazing, its soo rare i still remember it lol. I know there are and could be other examples out there but for me thats the highest bone stock ive seen. With LT's and tune you should gain about 20rwhp and LS6 Intake another 5-8 rwhp, either way GL

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    NY Representative basballny2's Avatar
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    u have something internal done without knowing.

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    Visualize°Design°Create SSwt00SS's Avatar
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    '12 Silver SS 1SS
    '00 Black SS #8617

    skip the Ls6 intake. once you tear into the engine by adding a cam and heads, then FORGET the Ls6 intake entirely and get a FAST 90/90 or 92/92. trust me on this one. i speak from experience. do it once and do it right. save yourself time, money and resources...


    btw, those 'stock' numbers are off the wall high...stock my car was 325/330...
    2000 SS - The Wicked Witch: °°Cammed 'n Slammed°° 458rwhp/410rwtq
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    NY Representative basballny2's Avatar
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    even 325 rwhp and 330 rwtq is high IMO

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    Visualize°Design°Create SSwt00SS's Avatar
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    '12 Silver SS 1SS
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    Quote Originally Posted by basballny2 View Post
    even 325 rwhp and 330 rwtq is high IMO
    id have to dig up the dyno sheet, but i do have the proof...

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    🤔 11s. blackbirdbrain89's Avatar
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    black trans am
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    its not 100% stock. lid cat back and alum flywheel slp bellow port and polish tb and maf 160 stat, the eng is stock with the stock 00 heads cant rember the part number on em but there not 243 o and buy the way the dyno is a wipen 7 awd dyno jet brand new for 75,000 and has seen 1000 hp cars

    the dyno sheet is im my pics and im also runing a 93% injector rate one my stock 27lbs and has a lil but lower the what it shuld peak (rpm wise)

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    🤔 11s. blackbirdbrain89's Avatar
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    black trans am
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    and the car also ran a 12.97 @110 with a 2.05 60ft on 255 55 16's i only got one pass cus the next run a snaped my left axle and on the 12.97 run i bent the shift fork but didnt know it till i replaced my axle's and thats stock gears and all

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    Just me Y2KPewterSS's Avatar
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    Pewter metallic
    2000 Camaro SS

    I have witnessed a stock 02 M6 SS pull 350 RWHP on a perfectly working dynojet. It was an anniversary edition that did have a lid, but it was a legit 350 from a stock motor. Ran about a 12.8.
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    I'd rather be bi than full homo!!!!

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    Millennium Falcon mpfranks's Avatar
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    2000 Trans Am WS.6

    what is the average that a stock car dynos at?

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    NY Representative basballny2's Avatar
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    from what ive read 290-305

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    Senior Member karpetcm's Avatar
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    Man i only wish mine would dyno that high to begin with, lol. With the mods i have im more then happy with the RWHP. I guess i need to save up for some LT's and hope for 350rwhp.
    1993 Z28 M6: K&N Intake, 52mm TB, TB Bypass, No Cats, Exhaust Cutout, Flowmaster Muffler, 3.90 Gears, 160 Thermo, Tune, BMR Springs, Bilstein Shocks, 3 Point SFC,s & MGW Shifter.

  18. #18
    Millennium Falcon mpfranks's Avatar
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    Quote Originally Posted by basballny2 View Post
    from what ive read 290-305
    wow, and some have pulled 350rwhp... kinda suck if your car stock was one of the ones under 300rwhp

  19. #19
    🤔 11s. blackbirdbrain89's Avatar
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    black trans am
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    the lowest one ive ever seen is like 285 and thats one a mustang dyno(lower numbers) dyno jets are better for hp numbers but a mustang dyno is better for tuning due to the mustang has a load on it and a dyno jet does not

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    Visualize°Design°Create SSwt00SS's Avatar
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    '12 Silver SS 1SS
    '00 Black SS #8617

    Quote Originally Posted by basballny2 View Post
    even 325 rwhp and 330 rwtq is high IMO
    Quote Originally Posted by SSwt00SS View Post
    id have to dig up the dyno sheet, but i do have the proof...
    found my first (2) ever dyno run sheets when my SS was bone stock. found them unpacking some shit that has been packed in storage for about 1.5 yrs. ill get them scanned in and posted up for you.

    1st run: 327.2/328.4 (HPPIII tuned)

    2nd run: 325.6/330.3 (retuned to stock tune)

    this also goes to show that the HPIII tuned did nothing for my car at all. after i took it back to stock right there on the dyno, i sold the thing and used that money to put towards my cam packing that i ended up buying in June '06...

    numbers are SAE corrected and on a dynojet dyno...

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