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Thread: high mount and low mount turbo???

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    Default high mount and low mount turbo???

    Whats the difference between the manifolds (apart from the obvious)
    are they both as practical as one another???

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    VL Berlina 5speed's Avatar
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    low mount is fine for your planed application

    high mount is only need when you try fitting bigger turbos like a t51 or the gt35/40
    or want to look like a tool having your small t3 mounted yp in the air

    some people have managed to sqeeze a gt35/40 under the factory manifold with a spacer

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    yea thats what i thought that it would be easier to work on aswell, oh and whats the difference between a wastegate and bov? i just want that psssssss sound lol.
    not that dose or whateva its called

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    Wastegate handles the high pressure on the Exhaust side.To much pressure for tubo to keep up so the wastegate opens to let out excess pressure
    Blow off valve is when pressure is built up in your Intake piping(From Compressor housing of the turbo) rushing into your throttle body when you let off the butterfly closes and there is high pressure still coming from turbo so it needs to be let out hence Blow off Valve thats the PSSSHHHHH u hear. Saves the turbo.
    If you dont have one the excess pressure in your intake piping is forced back through the impeller fins in your turbo and can cause damaged.
    Blow off can be plumbed back into your exhaust side to keep your turbo spooled up between gear shifts therefore minimizing turbo lag.

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    I thought low mount was a better choice then high, cause it's an easier fit? and things dont get in the way..? i havent got my mani yet but i was going for low cause of that..
    Quote Originally Posted by Jamie-b View Post
    well i think a "headjob" would be better than stroking it?

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    Quote Originally Posted by Goon View Post
    I thought low mount was a better choice then high, cause it's an easier fit? and things dont get in the way..? i havent got my mani yet but i was going for low cause of that..
    i dont see how much can get in the way if ur gonna run an intercooler and probally custom plenum

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    dunno i thin it was something to do with the tappet/rocker cover gettin in the way of the high mounts with the lines coming off the turbo, but hey if it works do it!
    Quote Originally Posted by Jamie-b View Post
    well i think a "headjob" would be better than stroking it?

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    i got a highmount manifold, which i will be putting in shortly.
    Hopefuly its all good i have seen a few setups with highmount looks good, easy to work on etc.

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    High mount is also defectable. If you have a low mount with a gt35/40 and a heat shield over it, it will make it harder for cops too see that you have a bigger turbo on your car. Another less defect.

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    I thought low mount turbos spooled up quicker, or is that smaller turbos spool up quicker?

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    high mounts for show ponies.. lol
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    Quote Originally Posted by southy View Post
    I thought low mount turbos spooled up quicker, or is that smaller turbos spool up quicker?


    it all depends on the engine and turbo combo

    i mean one turbo can lag and spool up slow on one engine and spool up quick on another.. all depends on the amount of exzaust gasses being expelled..
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    high mount is so much easier to work on turbo comes of in 5 mins and takes a thurther 20 min to take manifold off and same the other way around.

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    Quote Originally Posted by VLDavo View Post
    it all depends on the engine and turbo combo

    i mean one turbo can lag and spool up slow on one engine and spool up quick on another.. all depends on the amount of exzaust gasses being expelled..
    Thanks for the info

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    youll probley find high mounts r cheaper then low mounts.. im still getting a low..

    ** An intresting fact.. the dude at autobarn claims his lancer has a low mount suitable for rb30, ididnt see his ride outside so i dont know the model **
    Last edited by Goon; 23-02-2009 at 05:59 AM.
    Quote Originally Posted by Jamie-b View Post
    well i think a "headjob" would be better than stroking it?

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    Quote Originally Posted by Goon View Post
    youll probley find high mounts r cheaper then low mounts.. im still getting a low..

    ** An intresting fact.. the dude at autobarn claims his lancer has a low mount suitable for rb30, ididnt see his ride outside so i dont know the model **
    did you slap him?

    rb30 has 2 more cylinders then the lancer engine and studs would be in diffrent spots
    plus it was autobahn, enough said

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    Quote Originally Posted by VL Berlina 5speed View Post
    did you slap him?

    rb30 has 2 more cylinders then the lancer engine and studs would be in diffrent spots
    plus it was autobahn, enough said
    Oh bro the other 2 exhaust ports are for the wastegate LOL,anyway seriously I thought the B.O.V if not vented to atmosphere, was vented back into the airbox/intake not the exhaust as stated above.

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    exactly what i thought like wtf.. a 4cylinder, autobah is a joke sometimes.. l;ol duder tryed to sell me a monster oil pressure gauge for 200 dollars lol, go ebay 20 bucks!!
    Quote Originally Posted by Jamie-b View Post
    well i think a "headjob" would be better than stroking it?

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    Hahaha you only need a grade 5 pass to work there.

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