Thread: ....you know what it is... 700whp build

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  1. #1 Re: ....you know what it is... 700whp build 
    GXP Level Member darkhorizon's Avatar
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    Quote Originally Posted by Kejross View Post
    I must be ignorant then... You could run headers with a rear mount, so not backwards. The air running over the charge pipe headed back up front cools it a little bit which cooling a gas makes it denser making the psi go down a bit. And I'm saying of course you would still use the same fmhe in there with it so I don't think that's backwards. And I'm not a turbo guy but I think adding all that length to the charge pipe AND the feed creates lag, right?

    Feel free to set me straight instead of calling me a troll... And let's try to keep it civil, k thanks bye
    First, I never called you a troll, I said I wasnt going to "start ****" in case you were just baiting someone out. Prepare to get owned:

    Ever tried a rear mount turbo? I mean you could run some nice headers and have an get a even cooler charge entering the motor
    Ok, First off, headers will decrease your exhaust energy going to the rear, creating lower spool. Second headers would never increase power, because well there is over 1.5x the pressure in your exhaust, than what is in your intake side on any turbo setup.

    The "cooler charge" idea is also dumb, because after pushing air through a maze of tubes over that long of a distance, the turbo is going to have to work harder to get the same amount of air to the front, which will increase the temperature of said air. An intercooler in ANY turbo setup would have a massive cooling property compared to any "long series of tubes".

    , is the boost drop the problem or just too much lag?
    "boost drop" does not exist, due to the fact that you pick what boost you want to see at the intake manifold. Any "drop" you may see is going to be caused by resistance via surface tension or turbulence. "lag" is created by the fact that your exhaust has lost 20-40% of its energy by the time it has gotten back to the turbo.

    And you got any closer pics of the custom trans mount on there?
    The trans is not mounted yet..

    I see your car and really consider just spending the 2-3k I need for a bulletproof automatic and do the manual swap instead and have more fun with it...lol
    I am really confused by this... I dont see why you would want to do a manual, as the fact that it cost well more than double what a built auto would, and you would still have to install it.... The clutch alone in this car cost what a built trans costs, and probably much more.
     

  2. #2 Re: ....you know what it is... 700whp build 
    Donating Users Kejross's Avatar
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    Thanks for the pics kuntzie that **** is legit man, looking good!


    Quote Originally Posted by darkhorizon View Post
    First, I never called you a troll, I said I wasnt going to "start ****" in case you were just baiting someone out. Prepare to get owned:
    I didn't know that you answering my questions meant I would get owned...

    Quote Originally Posted by darkhorizon View Post
    Ok, First off, headers will decrease your exhaust energy going to the rear, creating lower spool. Second headers would never increase power, because well there is over 1.5x the pressure in your exhaust, than what is in your intake side on any turbo setup.
    Thank you, very helpful info for me. As you can tell by my lack of knowledge on the subject, cars are just a hobby for me and obviously a bit more for you. As I've never had a turbo or even looked into seriously getting one I've never researched them just always thought the idea of a rear mount was interesting. Then figured kuntzie might be a good guy to ask a couple questions that just seemed like they might work... And since your such an expert maybe you could own me again by sending me a pm about twin charging, which is the only reason I was ever interested in a rear mount anyway. Cause it too seemed pretty interesting and "like it might just work"

    Quote Originally Posted by darkhorizon View Post
    The "cooler charge" idea is also dumb, because after pushing air through a maze of tubes over that long of a distance, the turbo is going to have to work harder to get the same amount of air to the front, which will increase the temperature of said air. An intercooler in ANY turbo setup would have a massive cooling property compared to any "long series of tubes".



    "boost drop" does not exist, due to the fact that you pick what boost you want to see at the intake manifold. Any "drop" you may see is going to be caused by resistance via surface tension or turbulence. "lag" is created by the fact that your exhaust has lost 20-40% of its energy by the time it has gotten back to the turbo.
    Thanks again, very good info.

    Quote Originally Posted by darkhorizon View Post
    The trans is not mounted yet..
    I meant when it was, which he already did.

    Quote Originally Posted by darkhorizon View Post
    I am really confused by this... I dont see why you would want to do a manual, as the fact that it cost well more than double what a built auto would, and you would still have to install it.... The clutch alone in this car cost what a built trans costs, and probably much more.
    Like I said, manuals are more fun... Plus I'm a pretty decent fabricator and could build some brackets like the ones he made fairly easily. And no, nothing on his level as far as a clutch like that, just a simple one that works or maybe a stage 1. I'll be lucky to even hit 300whp with my build in the works even with n2o. So to summarize I could easily do this for the cost of built trans with me making the brackets, a used trans, lower end clutch, shop down the street making my axles, and then the parts to put the pedal and shifter linkages in...
    Last edited by Kejross; 05-27-2011 at 03:01 AM.
    SOLD-98 4dr GTP, l32 Swapped, IS2 heads, IS3 cam, S2 intercooler, S3 FMHE, E85, 65# inj, N* TB w/LQ4, OBX Headers, Borla catback, 3.0 zzp mps, lc-1 wideband, HP Tuners, PRJ wires, FWI, Lowered. 04 GTO M6, 07 Grand Prix LS4 powered GXP. 98 V6 GMC SWB, exhaust, custom intake. 09 HHR (Wifes)
     

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