330D 320D Hybrid turbo upgrade for not a lot of money.

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  1. 330D 320D Hybrid turbo upgrade for not a lot of money. 
    #1
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    Hi guys, for anybody looking to squeeze some extra power out of their 320D or any of the turbo charged diesels, it's not as expensive as you might think. I know of a company who will build cores with any compressor wheel you specify and machine out your compressor housing to suit. Put it this way, I bought a new core £139, Had my compressor housing machined out £125 and delivery £9.95, that's it! and its not as if it's not a good quality unit either. It comes fitted with an upgraded 360 degree thrust bearing and step gap oil sealing rings and a full 12 month warranty. May be a little more expensive if you have a different model to mine!

    Mine started out life as a GT1749V and now it is a GT1756 so +7mm on the compressor wheel and should be capable of 230bhp+ with a few other tasty mods. You can see in the pics that the new compressor wheel is also a lot taller as well as wider

    Big step down from £500 for a recon hybrid or £1180 for a complete new hybrid unit.

    IMG_20130730_144053.jpgIMG_20130730_144108.jpg
     
     

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    #2
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    Just a quick post. I'm currently half way through cleaning the donor turbo unit which I'm building before I take my old one off. The turbo had oil seal failure so there is a lot of oil and carbon deposits on the vanes and inside the turbine housing. Gladly though I have an ultrasonic cleaner so I took the vanes and ring off the compressor housing and popped them in. They came up quite well after a few repeat sessions in the cleaner. I wasn't too worried about putting them in water, or any chemicals for that matter as they are entirely stainless steel although I will be oiling them with silicone and teflon spray prior to assembling the unit.

    Anyway here is a couple of pics. If anybody is interested in me doing the assembly of the unit I would be more than happy to post it on here
    Attached Images
     
     

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    keep posting Valentine I find this interesting
     
     

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    Who is this company?
     
     

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    Its nkkturbo's
    eBay My World - nkkturbo

    Thats a link to their store on fleabay. Give them a bell or send an email, they are really good at what they do
     
     

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    Very interested in this and seeing you do the assembly of the unit... Subscribed..
     
     

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    I will be posting pics later. By far the 2 most difficukt things to do are getting the vane's ring the right way round.. which sounds simple but is more difficult than it looks and getting the compressor housing lined up precisely.

    Anyway keep an eye out later
     
     

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    Sorry if this is a silly question, but would I be right in thinking that if you did this mod then you would also need to have a custom remap applied to compensate for the extra boost? Or would you expect the ecu to notice the extra boost pressure and automatically adjust to it?
     
     

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    #9
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    Its different to a petrol, you have to be very careful with the fuel to air ratio on a petrol. Too lean and it will burn holes in the piston, too rich and it just wont run so well
    With a diesel fuel to air ratio isnt crucial. Diesels dont have a throttle body restricting the volume of air coming into the engine and can take in as muh air as they want. this turbo will benefit the standard engine map and you wouldnt HAVE to remap it if you didnt want to. The amount of boost is controlled by the amount of fuel that the ecu puts in so there will be no more than 10-15% increase in boost without a remap because it will be beyond the parameters of the standard map. So yes, in a word, to achieve 230 plus bhp it will need a remap but a remap is not essential.
     
     

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    Quote Originally Posted by dead_valentine View Post
    With a diesel fuel to air ratio isnt crucial.
    I agree no harm to the engine but over fuelling makes for embarrassing black smoke poring out of the exhaust
     
     

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