Long block vs short block
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This is a discussion on Long block vs short block within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; i have always seen/heard these words be throwing around. is a long block longer then a short block cylinder wise ...

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    Long block vs short block

    i have always seen/heard these words be throwing around. is a long block longer then a short block cylinder wise for greater power or is it just merely more stuff connected to a short block?

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    Registered User WRX-maniac's Avatar
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    Actually as far as i know, long block is the assembled engine block with the cylinder heads attached, and a short block is just the engine with no heads attached.
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    Registered User wreckingball man's Avatar
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    short block is the engine block, longblock is the engine block + heads

    ...generally, very loose definition

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    Quote Originally Posted by wreckingball man View Post
    short block is the engine block, longblock is the engine block + heads

    ...generally, very loose definition
    ahhh i see

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    Quote Originally Posted by WRX-maniac View Post
    Actually as far as i know, long block is the assembled engine block with the cylinder heads attached, and a short block is just the engine with no heads attached.
    thats better

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    cause i just wanted to know because i want to have block more capable to taking hp. i just wondering if i can swap out my block for an sti or something a little stronger

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    Moderator Donkey's Avatar
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    The stock blocks are somewhat stout. Without knowing what vehicle you have and what your "realistic" whp goal is it will be hard to make a recommendation.
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    Quote Originally Posted by Donkey View Post
    The stock blocks are somewhat stout. Without knowing what vehicle you have and what your "realistic" whp goal is it will be hard to make a recommendation.
    i own 2013 wrx… my first goal is cosmetics(almost done with that) then my 2nd goal is engine modifications and the first order of business in this department is to get the car to around 400hp and i was trying to calculate how much i would spend to get there and which components i would need

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    Registered User WRX-maniac's Avatar
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    You're going to need alot, our transmissions have trouble handeling that amount of power, and you will never see 400whp without a turbo upgrade. So factor in your turbo plus a built transmission or an sti transmission and you are well over 4-5 grand alone. NOT including all of the other supporting mods and a tune. Now 350whp is capable with a good tuner, supporting mods, and on E85 with your stock turbo. But the torque at that point will still make your stock tranny more or less a ticking time bomb.
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    Registered User WRX-maniac's Avatar
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    Check out my build thread, the build i am planning on my wrx should end up netting me somewhere around 330whp and 360wtrq. After that, I will not do anymore power mods until I plan on building the engine and tranny, and going with a bigger turbo.
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    Quote Originally Posted by WRX-maniac View Post
    You're going to need alot, our transmissions have trouble handeling that amount of power, and you will never see 400whp without a turbo upgrade. So factor in your turbo plus a built transmission or an sti transmission and you are well over 4-5 grand alone. NOT including all of the other supporting mods and a tune. Now 350whp is capable with a good tuner, supporting mods, and on E85 with your stock turbo. But the torque at that point will still make your stock tranny more or less a ticking time bomb.
    I'm trying to get to hp mark without touching e85. i was thinking i would spend at least 5k just for major parts (turbo(which i know nothing about yet) injectors forged pistons fmic etc) i want to slowly build into my engine cause i usually spend the money lol and the transmission everyone is just telling me to keep it and build on it. i haven't even calculated that part.

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    Quote Originally Posted by WRX-maniac View Post
    Check out my build thread, the build i am planning on my wrx should end up netting me somewhere around 330whp and 360wtrq. After that, I will not do anymore power mods until I plan on building the engine and tranny, and going with a bigger turbo.
    I've read your build before and other wrx builds.but I'm kinda set onto reaching the power level since I'm a power *****

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    Registered User wreckingball man's Avatar
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    $15k or more.

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    i havent gotten those numbers yet
    Quote Originally Posted by wreckingball man View Post
    $15k or more.

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    If you want a car just to make the most power that you can, you bought the wrong car. Should have a mustang or something. Or at least an STi. 400+ whp for a wrx is going to cost quite a bit which im sure you are aware of. And im not sure exactly what you mean by building your engine "slowly", unless you mean just buy the parts one by one until you have everything compiled together. Which is the only logical way to really do it. And honestly, at 400whp your issue isnt really your engine, its your transmission. Ill help you out here, this is a list of mods you will need in order to reach your power goal of 400hp. Note that these prices are for brand new parts. So here we go.

    -Blouch TD05-16gxt turbo 995.00
    -Process west tmic 982.14
    -Invidia catless downpipe 305.20
    -Invidia N1 catback 582.40
    -Invidia equal length race header 875.00
    -Grimmspeed uppipe for external WG 321.18
    -ID 850cc injectors 480.00
    -DW 65c fuel pump 149.00
    -Perrin CAI 295.00
    -Turbo inlet (depending on brand) 200-250
    -TGV deletes from grimmspeed 199.99
    -Pro-tune 500.00
    -accessport (optional) 650.00

    TOTAL - 6,584.91

    That is not including building your transmission, labor, or building your engine if you decide to do so. Building your transmission depending what route you take will cost anywhere from 3-5k and double that for the engine. The parts listed are just an idea of the PARTS needed to get the power you are speaking of.
    2011 WRB WRX hatchback---Stage 2
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