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Thread: Cams...

  1. #1
    Regular Member Danwells72's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 1.9 cdti 150

    Year : 2004

    Default Cams...

    I watched wheeler dealers yesterday and they fitted high lift cams to their rover v8 and it gave me a thought. so does anybody know if high lift cams will be any good on a diesel?

  2. #2
    Regular Member Rab's Avatar
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    Default

    cams can be done to any engine.
    weather its worth the cost, no.
    cams on a turbo car is something thats saved till after a turbo upgrade.
    cams on a N/A engine fine but on a diesel i think not.

    diesel most tuning companies see the limit after
    intercooler
    custom map
    hybrid turbo/or bigger
    turbo back decat exhaust
    some form of uprated induction

    extreme cases
    fuel pump
    injectors

    after this level should buy a bigger diesel engine e.g. bmw's 3.0 twin turbo
    or a high power petrol. after so long your defeating the purpose of the diesel?

  3. #3
    Regular Member Danwells72's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 1.9 cdti 150

    Year : 2004

    Default

    mmm... i am planning to get a v6 turbo charger and have done the rest apart from the remap(which will be last). maybe i will pass on this but will speak to a tuner before getting the remap done

  4. #4
    Regular Member Rab's Avatar
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    is the V6 any bigger? you may find the turbos the same just on a bigger engine? dont know tho.
    have you considered sending your stock turbo away to be swapped for a refurbished one which has been turned into a hybrid.

  5. #5
    Regular Member Danwells72's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 1.9 cdti 150

    Year : 2004

    Default

    i have spoke to a turbo company at pvs this year and they said there is nothing the can do with variable vane turbos, nobody can. But that doesnt change the fact that i could exchange for a bigger variable vane turbo. I believe the v6 turbo is bigger and there are a few posts stating that.

  6. #6
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    what car is yours dan
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  7. #7
    Regular Member Danwells72's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 1.9 cdti 150

    Year : 2004

    Default

    2.2 dti

  8. #8
    Regular Member Jezzy's Avatar
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    Don't forget that the Land Rover has the engine mounted longitudinally, so access to the camshaft was relatively easy with the engine block still in place.

  9. #9
    Regular Member Danwells72's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 1.9 cdti 150

    Year : 2004

    Default

    Quote Originally Posted by Jezzy View Post
    Don't forget that the Land Rover has the engine mounted longitudinally, so access to the camshaft was relatively easy with the engine block still in place.
    TBH it was just a thought for the future, i doubt i will go ahead with it as it doesnt seem worth doing and also i may loose some low end torque which i dont want to do

  10. #10
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    High lift cams are usually used to make engines breathe better and therefore rev higher, they also make the idle lumpier. They work really well on petrol NA engines if you don't then mind the gutless nature of the power delivery.

    Diesels are different, they don't require 'wild' cams to make power. If you want more power from a diesel you merely need to increase boost along with the amount of fuel injected. Theoretically you can keep on doing that until the engine blows up! You will get more power, but not at much above 4000rpms.

    There was a 'head kit' available for the 1.9 in a thread a few weeks back. Waste of time for diesels IMO.

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