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free mod

This is a discussion on free mod within the External Engine forums, part of the LSx Technical Help Section category; what is the "free mod" that every one always states, is it the tb bypass or is there something more...

  1. #1
    Member silverz28camaro's Avatar
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    sebring silver
    2000 z28

    free mod

    what is the "free mod" that every one always states, is it the tb bypass or is there something more

  2. #2
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    There's a few out there - IMO the free ram air (cutting out the lower part of the airbox) is the only one worth it, others may differ. Can you be more specific?

  3. #3
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    granite blue
    2006 silverado

    The thing I've found with FREE mods is thier never good enough.
    Example with the cutting out the bottom of your air box is for a couple hundred you'll want to get a cold air intake package, same with cuttin out and plugin the void box on the intake tube. Plus if you cut out the bottom youre suckin a holata hot air.

  4. #4
    Likes twisty roads bene's Avatar
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    Light Pewter Metallic
    2K Camaro Z28

    Quote Originally Posted by el guapo View Post
    The thing I've found with FREE mods is thier never good enough.
    Example with the cutting out the bottom of your air box is for a couple hundred you'll want to get a cold air intake package, same with cuttin out and plugin the void box on the intake tube. Plus if you cut out the bottom youre suckin a holata hot air.
    You're only sucking hot air if you're seating still in traffic... You'll eventually suck cold air w/ FRA when you're moving, granted FTRA or similar set ups might be more effective because it's enclosed.
    Last edited by bene; 07-28-2006 at 08:17 PM.

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    black
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    installuniversity.com

  6. #6
    old timer blue02Z's Avatar
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    Navy Blue Metallic
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    Quote Originally Posted by el guapo View Post
    The thing I've found with FREE mods is thier never good enough.
    Example with the cutting out the bottom of your air box is for a couple hundred you'll want to get a cold air intake package, same with cuttin out and plugin the void box on the intake tube. Plus if you cut out the bottom youre suckin a holata hot air.
    free mods are worth it cause they only cost you a little time. the tb bypass and the FRA and the bump stop and drill mod all add up to help you. especially if you go into mods that really make a difference

  7. #7
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    Someone please post ALL the free mods or put up a site that explain how to do it please!?!

  8. #8
    Member jd2002ss's Avatar
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    Like M6Speed said....installuniversity.com

  9. #9
    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    Modification Number One: Index Your Plugs
    The next time you are doing a tune-up on your ride, be sure to
    take note of this modification. By simply installing your plugs
    in a particular way, you will pick up roughly 1 whp, dyno
    proven time and time again.


    As illustrated above, in order to perform this mod, mark the side
    on which the "open end" of the spark plug faces. Proceed to install
    them as you normally would, except when the plug is hand-tight
    (that is, you've screwed it in without a ratchet as far as it'll go), use
    your ratchet to tighten the plug until the open end of the plug,
    faces the intake side of your cylinder head. That's it!
    Modification Number Two: Insulate Fuel Lines
    Under-hood engine heat is a serious performance robber in almost
    all cars. Not only does the under-hood heat cause performance
    loss by heating up the intake air, but it also causes
    performance loss by heating up the fuel lines. Cooler fuel will
    help cool the intake charge, as well as provide for a better
    overall mixture.
    In order to get this stolen power back, simply go down to your
    local hardware store and purchase a roll of refrigerator and
    air conditioning insulation. Wrap all of your under-hood fuel
    lines with the insulation to keep the cool in, and the hot out.

    Modification Number Three: Relocate IAT Sensor
    In most fuel injected vehicles you will find a sensor that
    measures intake air temperature. You will need to refer to your
    factory service manual to find its location.
    At any rate, it is very typical to find the IAT sensor mounted
    inside the intake plenum that is very often heated heavily by
    coolant and the cylinder head. This is fine of course, since
    the original equipment manufacturer designed it to work this
    way. However, there is a way to "trick" the engine computer
    into thinking that the incoming air is a little cooler than it
    really is, and therefore get the ECU to advance the timing a
    small amount and increase fuel supply at the same time.
    In most mildly modified vehicles, this will create a more
    desirable fuel and ignition map and create a few extra
    horsepower.
    In order to perform this mod, simply locate the sensor and
    remove it from the intake manifold. Fill in the hole with JB
    weld and proceed to remount the sensor somewhere in the intake
    arm. Seal everything up well, and you're done.
    Modification Number Four: Synthetic Oil
    In the past 3 years I have been running various types of oils
    through my engines and have found that for the most part -
    all oils are the same, power wise. However, Synthetic oils
    definitely make more power over standard "dino" oils. In fact,
    I have consistently seen anywhere from 2-3hp across the rev
    range from using a true synthetic versus a standard oil.
    Therefore, next time you change oils, switch to synthetic.
    Even on a high mileage engine, it works wonders. It is also a
    far better lubricant and protector of your engine.
    Modification Number Five: Increase H2O Ratio In Coolant
    If it weren't for corrosion and freezing concerns, automotive makers
    would use pure water to cool your vehicle. Straight water cools
    better than coolant any day of the week, and a cooler engine is
    always going to produce more horsepower.
    Instead of a typical half and half ratio, try 40/60. However,
    NEVER use pure water, as this may cause premature corrosion which
    will cause a costly repair bill. You may also try water wetter
    to further enhance the effect, but be cautioned that water wetter
    should only be used for track purposes.
    Modification Number Six: Throttle Body Coolant Bypass
    This one I saved for last, and for good reason. This is
    perhaps one of the best modifications that you can do for
    basically nothing. As you'll see in the dyno below, which
    is of my Integra LS motor in a 92 Civic hatchback, before
    and after: I got back almost 10ft-lbs of torque over
    the entire rev range. 10ft-lbs that was present in the engine
    when completely cool, but once at operating temperature was
    no longer available. This is good for about 0.2 seconds in
    the quarter mile in my particular vehicle - needless to say
    I'm very pleased with this modification.

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