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Thread: CDTi 120bhp Vs CDTi 150bp

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    Default CDTi 120bhp Vs CDTi 150bp

    Guys
    Apart from the obvious 30bhp difference, what are the differences between a CDTI 120bhp and a 150bhp. Is it engine management or is the engine fundamentally different.?

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    Regular Member Beavis's Avatar
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    I think one is eight valve and the other sixteen valve
    just a start!!

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    Regular Member VectraV6CDTi's Avatar
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    Wernt earlier 120's still 16V but detuned? I maybe wrong....

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    Regular Member Caterman's Avatar
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    Vehicle : Signum

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    Engine : 3.2 V6

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    Quote Originally Posted by VectraV6CDTi View Post
    Wernt earlier 120's still 16V but detuned? I maybe wrong....
    AFAIK they were in the Astra's but not the Vec.
    The 2 are different engines. 120 is 8v the 150 is 16v.
    To tell them apart, the oil filler on the 120 is front left and on the 150 is in the middle on the right.

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    Regular Member Brocks's Avatar
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    Quote Originally Posted by Caterman View Post
    AFAIK they were in the Astra's but not the Vec.
    The 2 are different engines. 120 is 8v the 150 is 16v.
    To tell them apart, the oil filler on the 120 is front left and on the 150 is in the middle on the right.

    And the 120 Common rail is way down the back. LOL

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    Admin plasma's Avatar
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    Vehicle : Vectra

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    not sure if i recall this correctly, there were 2 enginers the 8V 120bhp and the 16V 150bhp one. they then did away with the 8V 120bhp and used a 16v version installed but detuned it to 120bhp.??

    Anyone to substanciate or deny my recollection?

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    Regular Member Brocks's Avatar
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    My 06 pre facelift is deffo 8v.

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    older cars have a choice of 2 engines ..one 120bhp 8 valve ..and a 16v 150bhp ...the later cars have 1 engine ..but a choice of power ..120bhp or 150 bhp

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    Vehicle : Opel Insignia

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    Quote Originally Posted by plasma View Post
    not sure if i recall this correctly, there were 2 enginers the 8V 120bhp and the 16V 150bhp one. they then did away with the 8V 120bhp and used a 16v version installed but detuned it to 120bhp.??

    Anyone to substanciate or deny my recollection?

    No they put a detuned 16v in some Astra's because of a temporary lack of 8v engines. I've never heard of a Vectra with a 120bhp 16v although several people did the test (on this forum, but also in Belgium and Germany).
    But there exist a detuned 100bhp 8v in the vectra since this year

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    Regular Member nutron's Avatar
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    Vehicle : Vauxhall

    Trim : very

    Engine : Z19DTH

    Year : Nosey

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    Z19DTH or Y19DTH are the 16v 150ps (148.5bhp)
    Z19DT or Y19DT are the 8v 120ps (118.8bhp)

    As said, there was never a 120ps 16v in the Vectra, only the astra. Having said that, my engine identified its self as an astra engine when 888 tried to tune it, so go figure!?

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