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Engine Turbo or S/C ?

Discussion in 'Powertrain' started by `03 BLKRoLLa, Apr 4, 2004.

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    `03 BLKRoLLa Guest

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    Turbo or S/C ?

    A lot of people are talking about the Turbo upgrade. Where can I see pics of this? What is the difference between the Turbo and the S/C? Which one would be better to get??
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    vanion2 Guest

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    You should do a search under turbo theory to get the basics of the difference between the 2, but in a nut shell:
    S/C uses your engine to produce boost (IE belt driven in our case).
    1. Good for low end torque but high end suffers do to inefficiency.
    2. Most won't require an intercooler (IC) and thus be easier to install and cheaper.
    3. TRD makes one for the Corolla and if dealer installed keeps the warranty.
    4. Costs about $3000 (approximate)

    Turbo uses exhaust gas to produce boost.
    1. More efficient but do to "turbo lag" doesn't kick in until mid-high rpms.
    2. Usually produces more hp/boost lb
    3. Requires an extensive setup (expensive and time consuming)
    4. Requires a lot of engine tuning (compared to the S/C)
    5. Requires an IC
    6. All around is a heavier setup.
    7. Costs about $4000 (approximate for complete install and tuning) if done by a professional (less if you build one yourself and know what you are doing).
    8. Voids your warranty.
    9. Boost is easier to adjust compared to the S/C

    If you want to build a 1/4 mle car, turbo is the way to go. S/C is mostly for acceleration freaks who want their Corollas to last but probably don't care about track racing too much. I am leaving a lot of details out but it's a big internet out there and all you have to do is pull up google.com to start reading up more on the theory, which you should do if you are considering any type of FI. This way you know what questions to ask when it comes time to buy. 8)
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    crovax New Member

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    well, ur wrong about the price, you can build a turbo setup for around $3000...it WILL be faster than the S/C, and the car should last just as long if its done correctly. I personally have virtually no turbo lag with the T-25 turbo, and yes its much easier to adjust the boost. You can build the kit for abour $2500 if you dont want the intercooler, and blow the doors off of a supercharged rolla still.... just sayin... If the warranty means that much too you...
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    vanion2 Guest

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    Post a link to this turbo for $3000 for me please? I am still considering options and would like to see the setup. :D

    But remember, I was quoting the kit + the setup/tuning. You can build a turbo kit for cheap if you know how. But I would have it professionally done personally just because I have seen the complexity that goes into it.

    How thick is that smoke cloud again you making again? ;) (j/k)
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    polo708 New Member

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    Location:
    9thgencorolla.com
    Here is a kit for the rolla, with an IC, its about $2800, but Id recommend the extra $400 for the ballbearing turbo.Also this is only for the kit, not install too. It would give you roughly 220hp.

    They also have one for $2000 without an intercooler, but you might as well go with the S/C instead of that one.

    http://www.turbo-kits.com/corolla_turbo_kits.html

    [IMG]
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    vanion2 Guest

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    crovax New Member

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    cloud of smoke only matters to the person whos behind me :)
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    RexPelagi VDub

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    Location:
    Canton, Ohio.
    im just wondering, if i sat down at my car with the right tools, and instructions, could i install something like this myself?
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    crovax New Member

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    if its all bolt on, i dont see why not. You'll probably have to drill some holes to mount the intercooler and associated piping... and it sure is nice to have the car on a lift to remove the exhaust manifold bolts, but otherwise, yeah, shouldnt be a big prolbem at all.
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    vanion2 Guest

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    If someone else can do it, so could you. The question you should ask is "Would I want to?" You have to modify your oil pan for the oil line, run the upgraded fuel rails, hook up the fuel control, mount the IC, install the new header downpipe with the turbo, connect all the piping without leaks, etc, etc, etc. It all has to be done right or at best your setup won't work all that great and at worst you break your engine. Once you get it installed you are going to need to tune the engine setup to get the right A/F ratios.

    Basically, it's a lot of work to tackle by yourself. I would make a friend who has Successfully done a turbo install before and have him/her show you the ropes. But anything's possible. :D
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    crovax New Member

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    ohh yeah, about that oil return line...you cant tap the pan, its totally full of oil at 4 quarts...you need to tap much higher on the block.... that may suck

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