Results 1 to 11 of 11

Thread: Forced induction kits - are good for turbos.

  1. #1
    swinks's Avatar

    Offline
     
    Name
    Tomasz
    Join Date
    Feb 2008
    Last Online
    21-10-2022
    Posts
    4,578
    Country
    United Kingdom
    Location
    Bourne, Lincs.
    Car
    ex-Galant VR4
     

    Forced induction kits - are good for turbos.

    Well...
    FIRST - Glen don't even try "search is y'r friend...", I know there were few threads re: air filter kits, but too much scattered and without any clear conclusion, so let me do that one

    Ok, back to point.
    Recently I'm after some improvements of air intake flow, exhaust is nearly done so time for intake.
    I tried to find any reasonable way to use air inlet vent in my evo-style bonnet. Because vent isn't located exactly above battery, but above fuse box, idea with moving battery to boot and set up mushroom filter with heatshield into battery space was ruined.
    I figured other way so: forced induction kit with hoover-like pipes. I've seen one on Evo, and found one here:
    http://www.dcdezign.com/cheap/87573/...it/vfc166.html

    And now doubts...
    1. Does it really work? We have already forced induction due to our turbos, so before turbos we don't really need high air flow, I assume. And what's about MAF sensor?
    2. Those kits suppose to deliver cold air. Do we really need cold air sucked into system? Asking 'cos air leaving torbos is extremally hot and is cooled in intercooler, so I assume that efficient intercooler will do better that any sophisticated cold air intake.

    Any suggestions, please?

  2. #2
    Wodjno's Avatar

    Offline
     
    Name
    Glenn
    Join Date
    Sep 2003
    Last Online
    18-04-2024
    Posts
    17,872
    Country
    England
    Location
    Peterborough
    Car
    FL MT Type-S
     
    He He..

    Battery to boot and custom made airbox is still the best way IMHO.. With sealed ducting from behind the bumper..
    Mafless is on the cards also
    And as you say, it's not going to be forced induction as the Tubs are already sucking in air at a higher rate than any air that would be forced in.. Unless you achieved 500mph or summat stooooooopid like that..

    Any reduction iin the intake air is better for performance and longevity of the engine.. If it enters cooloer then it won't be heated as high in the Turbo process, thus meaning after the Intercooler it will be cooler also.. And yes, i still think a more efficient intercooler gives plenty advantages

  3. #3

    Offline
     
    Name
    .
    Join Date
    Sep 2006
    Last Online
    Posts
    5,553
    Country
    Wales
     
    Would it just not be better to go for a decent panel filter set up and standard intake system, with a bigger intercooler and make up your own intercooler squirt kit?

    Use water to cool the intercooler, which would then cool the air more? I know the proper kits are really expensive, but essentially all it is, is some washer jets, a washer bottle and motor, hooked upto a button on the dash?
    .

  4. #4
    Ghost_2008's Avatar

    Offline
     
    Name
    Adam
    Join Date
    Feb 2008
    Last Online
    19-04-2016
    Posts
    1,144
    Country
    England
    Location
    Essex
    Car
    Lgnm VR4 type S
     
    The colder the air the better, cold air is more dense, therefore containing more oxygen. More oxygen = more bang........... As above your turbo's are already sucking air into the intake, however changing the filter would allow the turbos to suck more air for less effort.

    Then as above if you want to go the whole hog then larger intercooler and water spray, this will cool the air further again creating a bigger bang.

    The best way to go (In my opinion) would be standard air box, aftermarket panel filter with an addition air feed to the box, the end of the air feed mounted in the bumper, by the fog light and into the air box before the filter.

    Should be cheap, cheerful & effective..............
    [SIGPIC][/SIGPIC]

  5. #5
    Wodjno's Avatar

    Offline
     
    Name
    Glenn
    Join Date
    Sep 2003
    Last Online
    18-04-2024
    Posts
    17,872
    Country
    England
    Location
    Peterborough
    Car
    FL MT Type-S
     
    And if you want to go further then Water Inj(or Methanol mix) and a Charge Cooler..
    And the best coolant of all, Nitrous

  6. #6
    swinks's Avatar

    Offline
     
    Name
    Tomasz
    Join Date
    Feb 2008
    Last Online
    21-10-2022
    Posts
    4,578
    Country
    United Kingdom
    Location
    Bourne, Lincs.
    Car
    ex-Galant VR4
     
    Quote Originally Posted by pitslayer
    Would it just not be better to go for a decent panel filter set up and standard intake system, with a bigger intercooler and make up your own intercooler squirt kit?
    Already have HKS hybrid panel, and... YES, it is noticable improvement in throttle response.

    Quote Originally Posted by pitslayer
    Use water to cool the intercooler, which would then cool the air more? I know the proper kits are really expensive, but essentially all it is, is some washer jets, a washer bottle and motor, hooked upto a button on the dash?
    Started thread due to boredom and mind excersise "what to do with air inlet vent...?" I'm not going to create any monster delivering 400+ bhp. Just little thought about possible non-hassle solutions using i.e. hoovering/cleaning accessories

    And, yes! I'm more convinced now, to do something with intercooler so I'm leaving it for possible another thread

  7. #7
    rees's Avatar

    Offline
     
    Name
    Rees
    Join Date
    Jul 2006
    Last Online
    03-02-2023
    Posts
    784
    Country
    England
    Location
    chesterfield
    Car
    Honda Civic
     
    goood thead

  8. #8

    Offline
     
    Name
    .
    Join Date
    Sep 2006
    Last Online
    Posts
    5,553
    Country
    Wales
     
    Quote Originally Posted by swinks
    Already have HKS hybrid panel, and... YES, it is noticable improvement in throttle response.



    Started thread due to boredom and mind excersise "what to do with air inlet vent...?" I'm not going to create any monster delivering 400+ bhp. Just little thought about possible non-hassle solutions using i.e. hoovering/cleaning accessories

    And, yes! I'm more convinced now, to do something with intercooler so I'm leaving it for possible another thread
    Even so, it would make a fair bit of difference to a mildly tuned VR4

  9. #9
    Turbo_Steve's Avatar

    Offline
     
    Name
    Steve
    Join Date
    Oct 2005
    Last Online
    19-06-2023
    Posts
    7,051
    Country
    United Kingdom
    Car
    Silver
     
    The hoover pipes is actually quite effective. Autospeed did some testing on this a while back on a turbo'd audi, and proved that it built boost sooner, and ran cooler. If you can increase the pressure at the compressor inlet, the turbo will have less work to do and thus cooler charge will result. We're not talking massive differences here, maybe a couple of bhp, a few hundred RPM under the curve, but the more positive pressure you can get, the more efficiency you'll have. Look at it this way: if your turbo doesn't have to establish a vortex to start boosting, how much easier will it be to spin up?

    I was looking at a CDA unit from BMC....RS4 fitment. Carbon fibre tube with airfilter inside, and hoover pipe to the front bumper. £240 odd quid, mind :S

  10. #10
    Turbo_Steve's Avatar

    Offline
     
    Name
    Steve
    Join Date
    Oct 2005
    Last Online
    19-06-2023
    Posts
    7,051
    Country
    United Kingdom
    Car
    Silver
     
    In a rush...but think it was this one?

    http://www.autospeed.com/cms/A_0663/article.html

  11. #11
    Kryton's Avatar

    Offline
     
    Name
    Chris
    Join Date
    Jun 2009
    Last Online
    26-07-2023
    Posts
    4,496
    Country
    United Kingdom
    Location
    Norfolk
    Car
    UK VR4 4dr Auto
     
    Does anyone know if an Evo air box will fit if I turn my battery 90 degrees. I know its not a direct fit, just need an idea of size?
    Possibly the only VR4 that was driven by the current owner before being registered..... & it's a UK car

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •